Late Show with David Letterman

Tim McGraw, Shaquille O'Neal, Keri Hilson

Jennifer Connelly, Dr. Oz, Justin Townes Earle

Seth Rogen, Beau Garrett, the Walkmen

Regis Philbin, Hannibal Buress, No Age

Bill Cosby, a Top Ten List presented by Nicole "Snooki" Polizzi, the Black Keys

Vince Vaughn, Mike Wolfe & Frank Fritz, Cage the Elephant

Kevin James, Olivia Munn, The Low Anthem

Kelsey Grammer, Amar'e Stoudemire, Gregg Allman

Joan Rivers, Jeff Caldwell, Wintersleep

Jack Hanna, Steven Tyler

Betty White, Kim & Kourtney Kardashian, the Script

Martin Short, Greta Gerwig, Darius Rucker

Kaley Cuoco, Piers Morgan, Wanda Jackson, Miss Arkansas, Alyse Eady

Nathan Lane, Mike Palascak, Esperanza Spalding

Justin Bieber, Pauley Perrette, Best Coast

Matthew Perry, Chris Elliott, Top Ten with Mitt Romney, the National

Kate Walsh, Jim Gaffigan, Boxer Rebellion

Howard Stern, Naughty By Nature

Martha Stewart, Top Ten with Justin Bieber, Robert Plant

Super Bowl MVP Aaron Rodgers, Martin Lawrence, Steel Magnolia

Adam Sandler, Chris Colfer, Gang of Four

Anderson Cooper, Elton John

Nicole "Snooki" Polizzi, Judah Friedlander, Bryan Ferry

Ed Helms, Ted Alexandro, Steel Magnolia

S.I. Swimsuit Cover Reveal & Top 10, Tom Brokaw, Theophilus London

Forest Whitaker, S.I. Swimsuit Cover Model Irina, Josh Groban, Top Ten with Joy Philbin

Bill Hader, Grocery Bagging Champ Krystal, Amos Lee

Paris Hilton, Nathan Fillion, Scissor Sisters

David Spade, Andy Kindler, Lukas Nelson and Promise of the Real

Donald Rumsfeld, Cobie Smulders

Amy Poehler, Jean Chu and Dusty the Cat, Deerhunter

Rainn Wilson, Hank Aaron

Senator Rand Paul, Bright Eyes

Matthew Morrison, Jeff Altman, Jessica Lea Mayfield

Brian Williams, Trey Parker & Matt Stone, Zac Brown Band

Amanda Seyfried, B.J. Novak

Donald Trump, Vanessa Hudgens, Oh Land

Robin Williams, Judy Greer

Charles Barkley, Sarah Vowell, Cold War Kids

Bradley Cooper, Mindy Kaling, Bob Geldof

Steve Martin, Selena Gomez

Dana Carvey, Dr. Michio Kaku, British Sea Power

Katie Couric, The Pains of Being Pure at Heart

Ben Stiller, Dario Franchitti, The Strokes

"Jungle" Jack Hanna, Danny McBride

Regis Philbin, Snoop Dogg

Norm Macdonald, CC Sabathia, Willie Nelson, Norah Jones and Wynton Marsalis

Chris Rock, Ellen Page, Funeral Party

James Franco, Royal Bangs

Jennifer Garner, Jamie Oliver, Robbie Robertson

Don Rickles, Eva Longoria

Alec Baldwin, Wiz Khalifa

Ricky Gervais, Top Ten with Katie Holmes, Foo Fighters

Courteney Cox, Aziz Ansari, Alison Krauss & Union Station featuring Jerry Douglas

Seth Meyers, Carmelo Anthony, TV on the Radio

Tina Fey, Tommy Johnagin, The Gaslight Anthem

Bill Maher, Cote de Pablo, Lupe Fiasco

Will Ferrell, The Twilight Singers

Kate Hudson, Rich Eisen, Emmylou Harris

Dr. Phil McGraw, Chris Hemsworth, Broadway musical "Catch Me If You Can"

John Krasinski, Brian Kiley, Steve Earle

Brian Williams, Rex Ryan

Caroline Kennedy, Ty Burrell

Betty White, Rick Harrison, Morning Teleportation

Jodie Foster, Tom Dreesen, Neon Trees

Bill Murray, ''The Human Fuse'' Brian Miser, Brother

Albert Brooks, Kristen Wiig

Mark Harmon, Chris Morgan, Hugo

Stupid human tricks, Jim Parsons, Manchester Orchestra

Joan Rivers, Nick Griffin, Okkervil River

Julianna Margulies, Andy Cohen, a Top Ten List presented by Christina Aguilera, White Lies

Martin Short, Melissa McCarthy, Tinie Tempah

Keith Olbermann, Julie Bowen, Ben Harper

Kelly Ripa, Jennifer Lawrence, How to Succeed in Business Without Really Trying

Tracy Morgan, Jake Johannsen, The Airborne Toxic Event

Lady Gaga, Eric Stonestreet, The Vaccines

Ewan McGregor, Scott Pelley, Brad Paisley

Piedmont Bird Callers, Kevin Bacon, Augustana

Ray Romano, Reese Waters, Arctic Monkeys

Meredith Vieira, Indianapolis 500 winner Dan Wheldon, Drum Solo Week kicks off with Anton Fig

Kyle Chandler, Kathy Griffin, Sheila E.

Jon Cryer, Rachel Maddow, Roy Haynes

Neil Patrick Harris, Mike Birbiglia, Neil Peart

Adm. Michael Mullen, Top Ten by Betty White, Black Joe Lewis & the Honeybears

Ryan Reynolds, chef Eric Ripert and the cast of the Broadway musical Anything Goes

Jim Carrey, Rosie Huntington-Whiteley, Todd Rundgren

Samuel L. Jackson, Texas Ranger Josh Hamilton, Jennifer Hudson

Cameron Diaz, Eddie Vedder

Jason Bateman, Amy Sedaris, Top Ten by Keith Olbermann, Drive-By Truckers

Kevin James, pet fashion designer Ada Nieves, Beady Eye

Jason Segel, horse whisperer Buck Brannaman, Noah and the Whale

Shia LaBeouf, Bert Kreischer, Dawes

Tom Hanks, Sleepy Man Banjo Boys

Patrick Dempsey, Erica Hill, Marty Stuart

Julia Roberts, Cake

Emma Watson, George Lopez, Incubus

Roseanne Barr, Tom Felton, Blake Shelton

Ryan Gosling, Gomez

Kyra Sedgwick, Tim Harmston, Nikki Jean

Bono & the Edge, a performance from Spider-Man: Turn Off the Dark

Steve Carell, Hope Solo and Abby Wambach, The Del McCoury Band and the Preservation Hall Band

Jeremy Piven, Captain Luis Montalvan, Cee-Lo Green

Harrison Ford, Porcelain Black

Brian Williams, Tim Robbins & the Rogues Gallery Band

Julianne Moore, Johnny Galecki, Tanner Foust, Eels

Craig Ferguson, Connie Britton, Anna Calvi

Kirstie Alley, Louis C.K., Fountains of Wayne

James Franco, Dianna Agron, Christina Perri

Ricky Gervais, Cat Deeley, Explosions in the Sky

Emma Stone, Alan Mulally, Sallie Ford

Colin Farrell, Christopher Ferguson, Typhoon

Denis Leary, Elizabeth Cook, Drum Solo Week II kicks off with Tony Royster Jr.

Rachel Maddow, Rose Byrne, Gavin Harrison

Ashton Kutcher, Rafael Nadal, Stewart Copeland

Paul Rudd, Bill Burr, Dennis Chambers

Jason Sudeikis, Bettina Luescher, St. Vincent

Alec Baldwin, Joe Namath, Lenny Kravitz

David Arquette, Aubrey Plaza, Thurston Moore

Julianna Margulies, Joe Wong, Lady Antebellum

Kim, Kourtney & Khloe Kardashian, Michael Emerson, The Jim Jones Revue

Sgt. 1st Class Leroy Petry, Sarah Jessica Parker

Michael J. Fox, Top Ten by the cast of Two and a Half Men, Jim McDonald, John Doe

Dr. Jill Biden, Ted Danson

Jonah Hill, Paula Abdul, Coldplay

Taylor Lautner, Minka Kelly, Wilco

Sergeant Dakota Meyer, Sofia Vergara, Chris Cornell

Nathan Fillion, Larry Miller, The Jayhawks

Seth Rogen, Poppy Montgomery, Fleet Foxes

Jack Hanna, Anna Faris

Anderson Cooper, Nick Offerman, The Knux

Kaley Cuoco, Skipper Bivins & Trent Jackson, Death Cab for Cutie

Samuel L. Jackson, Karen Rontowski, Anne-Sophie Mutter

Brian Williams, Sting

Hugh Jackman, Sean Young, Feist

George Clooney, Mastodon

Caroline Kennedy, dock diving dogs, The Joy Formidable

Bryan Cranston, Jeff Altman, Garland Jeffreys

Tracy Morgan, Mike Golic & Mike Greenburg, Mates of State

Matthew Broderick, horse wrangler Erin Bolster and her horse Tonk, Hunter Hayes

Bill Clinton, Deer Tick

Bill O'Reilly, Martina McBride

Artie Lange, Eddie Brill, Beirut

Salma Hayek, Keith Olbermann, Jane's Addiction

Eddie Murphy, Jane Levy, Mayer Hawthorne

Justin Timberlake, Jennifer Esposito, The Civil Wars

Johnny Depp, Foster the People

Tom Brokaw, Myq Kaplan, The Head & The Heart

Tony La Russa, Jesse Eisenberg, Puscifer

Ben Stiller, Whitney Cummings

Condoleezza Rice

Mark Harmon, Mike Judge, Top Ten by Matt Lauer, Eli Young Band

Bill Cosby, Jason Isbell and The 400 Unit

Melissa McCarthy, Anthony Bourdain, Joan Baez & Kris Kristofferson

Robert Pattinson, Annie Leibovitz, David Crosby and Graham Nash

Adam Sandler, Peter Gabriel

Stupid Humans Tricks, Katie Holmes, Noel Gallagher's High Flying Birds

Steve Martin, Felicity Jones, Lonesome River Band feat. Steve Martin

Jason Segel, Jamie Oliver, The Kooks

Bill Maher, Nikki Reed, Foo Fighters feat. Joan Jet

Jerry Seinfeld, Lykke Li

Regis Philbin, John Fogerty

Herman Cain, Grouplove

Andy Kindler, Ty Burrell, Gayle King, Needtobreathe

Amy Sedaris, Christopher "Mad Dog" Russo, Sondre Lerche

Justin Bieber, Brian Regan, FreeSol

Jonah Hill, Kristen Johnston, Ryan Adams

Matt Damon, Shelby Lynne

Jessica Biel, Tom Dreesen, The Black Keys

Charlize Theron, Kevin Nealon, Blitzen Trapper

David Duchovny, Comedian Hugh Fink, Young Jeezy

Scarlett Johansson, Julie Chen, Top Ten by the 2011 Heisman Trophy winner Robert Griffin III

Barbara Walters, Bill Hader, Wild Flag

Robert Downey Jr., Rooney Mara

Tom Hanks, My Morning Jacket

Jude Law, Bob Sarlatte, Gary Clark Jr.

Tom Cruise, Anthony Hamilton, Top Ten by Mitt Romney

Harry Connick Jr., Scott Van Pelt, Mariachi El Bronx

Jon Huntsman, J. Cole

Anderson Cooper, Lindsey Vonn, Childish Gambino

Jay Thomas, David Hyde Pierce, Darlene Love

Brian Williams, WU LYF

Tina Fey, Jeremy Irvine, Barr Brothers

Kristen Bell, Dan Naturman, Blind Pilot

Mark Wahlberg, Heather Morris, Snow Patrol

Kate Beckinsale, Marv Albert, The Little Willies

Dolly Parton, Alan Zweibel

Sen. John McCain, Johnny Winter

Viggo Mortensen, Dennis Regan, Tony Bennett

Simon Baker, Elizabeth Banks, Seal

Ricky Gervais, Jessica Chastain, Kathleen Edwards

Marg Helgenberger, Michael Fassbender, Ellie Goulding

Kathy Griffin, Simon Helberg, Joseph Arthur

Dana Carvey, Jon Fisch, Los Campesinos!

Jennifer Lopez, Rob Schneider, James McCartney

Bill Murray, Girls' Generation

Howard Stern, The Airborne Toxic Event

Woody Harrelson, Stephen Merchant, Lana Del Rey

Michelle Williams, Jake Johannsen, Ziggy Marley

Eli Manning, Sarah Michelle Gellar, Die Antwoord

Denzel Washington, The Fray

Ryan Reynolds, Ellie Kemper, Dierks Bentley

Nicolas Cage, Michelle Dockery, The Kills

David Spade, Betty Wright

Reese Witherspoon, Michael Weatherly, Top Ten by Sports Illustrated Swimsuit models, Kasabian

Viola Davis, the 2012 Sports Illustrated Swimsuit cover model, Mark Ronson, Erykah Badu, The Dap-Kings, Zigaboo Modeliste

Jon Stewart, American Bagging Champion Stephanie Teteak, Yelawolf with Kid Rock

Joan Rivers, Andrew Lincoln, Jason Mraz

Kristen Wiig, Mike Birbiglia, Butch Walker and the Black Widows

Jack Hanna, Jesse Tyler Ferguson

Alec Baldwin, Eric Hutchinson

Paul Rudd, John Witherspoon, Heartless Bastards

Kristin Chenoweth, Joe Scarborough, K'naan featuring Nelly Furtado

Matthew Broderick, Nick Griffin, We Are Augustines

Ed Helms, Dan Patrick, Lyle Lovett

Nathan Lane, Pauley Perrette, Estelle

Neil Patrick Harris, Taylor Kitsch, Robert Glasper Experiment featuring Lupe Fiasco & Bilal

Jon Hamm, Ted Alexandro, White Rabbits

Will Ferrell, Jon Bernthal

Amanda Peet, Nick Offerman, Top Ten by Cee-Lo Green, The Chieftains with the Low Anthem

Martin Short, The Ting Tings

Michelle Obama, Esperanza Spalding

Jennifer Lawrence, Gail Collins, The Shins

Debra Messing, Josh Hutcherson, Oberhofer

Rachel Maddow, Timothy Olyphant, Train

Jason Sudeikis, Lionel Richie, Jason Aldean

Chris Elliott, Mohamed Nasheed, Justin Townes Earle

Tracy Morgan, Jim Rome, The Broadway musical 'Once'

Megan Mullally, Joe Wong, Band of Skulls

Keith Olbermann, Allison Williams, Lukas Nelson & Promise of the Real

Kiefer Sutherland, Eugene Levy, The Punch Brothers

Ricky Gervais, Cobie Smulders, Tennis

Sean Hayes, Shooter Jennings

Magic Johnson, Larry Bird, Jim Gaffigan, Kaiser Chiefs

Billy Crystal, Alabama Shakes

Julia Louis-Dreyfus, Keith Alberstadt, Bonnie Raitt

Jason Segel, Zach Wahls, Fun

Amy Poehler, Wendy Williams, Trampled by Turtles

Rob Lowe, Gov. Brian Schweitzer, The War on Drugs

Robin Williams, Andrew Luck

Madden NFL 13 Cover Calvin Johnson, Chris Hemsworth, Darrell Hammond, Miike Snow

Don Rickles, Carrie Underwood

Seth Meyers, Krysten Ritter, Father John Misty

Stupid Pet Tricks, Johnny Galecki, Norah Jones

Stephen Colbert, Chloe Grace Moretz, The cast of 'Nice Work If You Can Get It'

Anderson Cooper, Yves Rossy, Electric Guest

Dr. Phil McGraw, Beth Behrs, Spiritualized

Jim Parsons, Mika Brzezinski, Macy Gray

Eva Longoria, Tom Dreesen, Florence and The Machine

Kid Scientists, Elizabeth Banks, Edward Sharpe & The Magnetic Zeros

Jon Cryer, Tommy Johnagin, M. Ward

Kelly Ripa, Adam Scott, Tenacious D

Brian Williams, El-P

Betty White, Moses Maddox, Best Coast

Conan O'Brien, Regina Spektor, John Mayer

Sacha Baron Cohen, Julie Chen, Beach House

Lea Michele, Barry Sonnenfeld, Shaolin Warriors of Ringling Bros

Will Smith, Gossip

Piedmont Bird Callers, Bill O'Reilly, Pitbull

Joan Rivers, Dario Franchitti, Silversun Pickups

Neil Patrick Harris, Noomi Rapace, Alan Jackson

Jane Fonda, Mayor of London Boris Johnson, Jimmy Cliff

Bill Murray, The Temper Trap

Mark Wahlberg, Sebastian Vettel, Black Box Revelation

Jack Hanna, Patti Smith

Adam Sandler, Jerry Douglas

Regis Philbin, Lenny Marcus, Elizabeth Cook

Denis Leary, Olivia Wilde, The Pierces

Jeff Daniels, Benjamin Walker, Walk the Moon

Alec Baldwin, Michael Kiwanuka

Justin Bieber, Michael Ian Black

Emma Stone, Jimmie Walker, Diamond Rugs

LeBron James, Andrew Garfield, Maroon 5

Channing Tatum, Scott Pelley, The Gaslight Anthem

Blake Lively, Drew Brees

Ray Romano, Tom Waits, Top Ten by American League All-Stars

Queen Latifah, Fred Armisen, Cory Chisel and the Wandering Sons

Bryan Cranston, R.A. Dickey, Zac Brown Band

Anne Hathaway, Moody McCarthy, Loudon Wainwright III

Morgan Freeman, Gallagher, Nas

Roseanne Barr, Aubrey Plaza, Jeff the Brotherhood

Kyra Sedgwick, Mike Golic and Greenberg, Red Wanting Blue

Woody Harrelson, Todd Barry, Grafitti6

Will Ferrell, Rufus Wainwright

Zach Galifianakis, Former U.S. Army Sgt. Valerie Brown, Allen Stone

Jonah Hill, Dr. Leonard Girardi, Milo Greene

Joel McHale, Andrew Norelli, Will.I.Am

Andy Samberg, Ashton Eaton, Glen Hansard

Jennifer Garner, The U.S. Women's Olympic Gymnastics team, Rodriguez

Tom Brokaw, Dana Vollmer, Beth Orton

Tracy Morgan, Erik Kynard, Ben Howard

Kelsey Grammer, Olivia Munn, Train

Bill Hader, Mary-Louise Parker, The Walkmen

Rachel Maddow, Serena Williams, Elle King

Kathy Griffin, Michael Somerville, Josh Turner

Jake Gyllenhaal, Sharon Osbourne, Neon Trees

Amy Adams, Paul Teutul Sr. & Paul Teutul Jr., Hacienda

Michelle Obama, The Chevin

Bruce Willis, Brian Regan, The Heavy

Claire Danes, Dwyane Wade, Bob Mould

Emma Watson, Julie Chen, Matchbox Twenty

Howard Stern, Jason Aldean

Joseph Gordon Levitt, Mindy Kaling, Of Gentlemen and Cowards

President Barack Obama

Michael Strahan, Arthur Meyer

Nathan Lane, Ryan Hunter-Reay, The Killers

Steve Martin, Gotye

Stupid Human Tricks, Kaley Cuoco, The Whigs

David Cameron, Jonny Lee Miller

Jimmy Fallon, Neil Young, Lupe Fiasco

Regis Philbin, Tom Dreesen, Dwight Yoakam

Stephen Colbert, Theresa Caputo, Martha Wash

Martin Short, Kat Dennings

Tina Fey, Rick Santorum, LP

Craig Ferguson, Anna Kendrick, The Raveonettes

Billy Crystal, The Wallflowers

Jack Hanna, Max Greenfield

Kevin James, Chris Elliott, Miguel

Salma Hayek Pinault, Nick Offerman, KISS

Lucy Liu; Rob Corddry; Daughter

John Goodman, Jeff Altman, Jamey Johnson with Alison Krauss

Tom Hanks; Tony Bennett

Taylor Swift; Rachel Maddow

Bill O'Reilly; Nicole Snooki Polizzi; The Lumineers

Donald Trump; Adam Levine; Carly Rae Jepsen

Dennis Quaid; Krysten Ritter; Diamond Rings

Denzel Washington, Paul Banks

Jim Cantore; Ken Burns; Andrew Bird

Katie Couric; Rita Ora

Steven Tyler and Joe Perry; Judy Greer; Aerosmith

Jason Sudeikis; Michael Che; Ultraĩsta

Ricky Gervais; Simon Helberg; Ty Segall

Brian Williams; Ne-Yo

Robin Williams; Lianne La Havas

Anderson Cooper; Myq Kaplan; Alberta Cross

Bradley Cooper; Robert Klein; Soundgarden

Julianna Margulies; Mumford & Sons

Alec Baldwin; Dirty Projectors

Zooey Deschanel; Lisa Lampanelli; Donald Fagen

Dr. Phil McGraw; Carmen Lynch; Divine Fits

Jessica Biel; Pete Townshend; Philip Phillips

Amy Poehler; Josh Hutcherson; Tegan and Sara

Scarlett Johansson; Willie Nelson; Gary Clark Jr.

Led Zeppelin; John Krasinski; Paloma Faith

Matt Damon; Martin Freeman; JD McPherson

Albert Brooks; Diana Krall

Bill Murray; Vintage Trouble

Dustin Hoffman; One Direction

Anne Hathaway; Jake Johnson; “The President's Own” United States Marine Band

Amanda Seyfried; Natalia Makarova; Awolnation

Billy Crystal; James Balong; Grizzly Bear

Jamie Foxx; Julie Chen; DIIV

Samuel L. Jackson; Carrie Brownstein & Fred Armisen; Jason Isbell and the 400 Unit

Tom Cruise; MNDR

Paul Rudd; Alicia Keys

Seth Rogen; John Witherspoon

Katie Holmes; Jon Bon Jovi

Naomi Watts; Jay Thomas; Darlene Love

Regis Philbin; Zedd

Tracy Morgan; Marv Albert; Everest

Michael Strahan; Jessica Chastain; Conor Maynard

Brian Williams; Morrissey

Josh Brolin; Kathryn Bigelow; Ray Wylie Hubbard

Michael J. Fox; Lena Dunham

Catherine Zeta-Jones; Allison Williams; Jon Spencer Blues Explosion

Charlie Sheen; Phil Simms; José James

Jennifer Lawrence; Alan Zweibel; A$AP Rocky

Kim & Kourtney Kardashian; Buddy Guy

Jeremy Renner; Jack Hanna

Kevin Bacon; Brian Kiley; The Amazing

Melissa McCarthy; David Morrissey; David Byrne & St. Vincent

Sylvester Stallone; Al Gore

Jason Bateman; Alison Brie; Shovels & Rope

Al Pacino; Macklemore & Ryan Lewis

Kevin Spacey; Nick Griffin; Emeli Sandé

Gov. Chris Christie; Joe Flacco; Cody Ray Slaughter

Eric Stonestreet; Christopher “Mad Dog” Russo; Brandon Bennett; Norman, the Bicycle-Riding Dog

Joel McHale; Amy Sedaris; Justin Shandor

Sally Field; John Harbaugh; Shawn Klush

Pauley Perrette; Jake Johannsen; Ben Portsmouth

Bill O'Reilly; S.I. Swimsuit Models; The Avett Brothers

Bruce Willis; Kate Upton; Little Big Town

Staff Sgt. Clinton Romesha; AnnaSophia Robb; Robert DeLong

Jerry Seinfeld; Dave Grohl & the Sound City Players with Stevie Nicks

Helen Hunt; Jeff Caldwell; The Maccabees

David Spade; Kenny Licklider; Aaron Neville

Michelle Williams; Chris O'Donnell; von Grey

Hugh Jackman; Zosia Mamet; The Americans

Johnny Depp; Bill Carter and The Blame

Luke Wilson; Dan Mintz; Imagine Dragons

Alec Baldwin; Emmylou Harris with Rodney Crowell

Joan Rivers; Jimmie Johnson; Kendrick Lamar

Tina Fey; Jesse Tyler Ferguson; Solange

Michael Bloomberg; Depeche Mode

Steve Carell; Emilia Clarke; Josh Ritter

Jim Carrey; Richard Thompson

Gerard Butler; Elizabeth Cook

Seth Meyers; Demetri Martin; Dropkick Murphys

Selena Gomez; Bob Sarlatte; Killer Mike

Bill Cosby; Mikaela Shiffrin; Garbage

Eva Mendes; Andy Hendrickson; The Airborne Toxic Event

James Franco; Andrew Borracchini; Ed Sheeran

Brian Williams; Pegi Young & The Survivors

Gary Gulman; Wavves

Shia LaBeouf; Jeff Altman; The Band Perry

Regis Philbin; Broadway musical “Rodgers & Hammerstein's Cinderella”

Louis C.K.; Rachel Maddow; The Flaming Lips

Martin Short; Tyler, the Creator

Chelsea Handler; Ross Bennett; Yeah Yeah Yeahs

Lindsay Lohan; Pete Lee; Gary Clark Jr.

Harrison Ford; Rita Wilson; Jake Bugg

Matthew McConaughey; Ryan Lochte; Steve Earle & The Dukes (& Duchess)

Steve Martin; Edie Brickell; Jenna Fischer

Kate Hudson; A.J. Clemente; Selena Gomez

Jim Parsons; Snoop Lion

Jon Hamm; Ricky Jay; The So So Glos

Mindy Kaling; Nada Bakos; Ben Harper with Charlie Musselwhite

Dr. Phil McGraw; Chris O'Dowd; Phoenix

Tobey Maguire; Tom Odell

Paris Hilton; Miriam Tucker; Atlas Genius

Nathan Lane; Joe Matarese; Kacey Musgraves

John Krasinski; Kerry Washington; James Blake

Zooey Deschanel; Jim Gaffigan; Pistol Annies; Todd Rundgren

Michael Strahan; Alyson Hannigan; Natalie Maines

Jack Hanna; Benedict Cumberbatch

Chris Pine; Tom Dreesen; She & Him

Mark Harmon; Amy Schumer; Luke Bryan

Tom Hanks; cast of “Pippin”

Ed Helms; Hoda Kotb; Brad Paisley

Barbara Walters; Jesse Eisenberg; MS MR

Will Arnett; Trevor Noah; Kurt Vile

Will Smith; The National

Jason Bateman; Piedmont bird callers; John Fogerty

Woody Harrelson; Tommy Johnagin; John Fogerty with Dawes

Neil Patrick Harris; Tony Kanaan; Frank Turner

Nathan Fillion; John Oliver; Local Natives

Johnny Galecki; John Mellencamp & Stephen King; Queens of the Stone Age

Vince Vaughn; Andy Kindler; Queens of the Stone Age

Russell Brand; Michael Shannon; Haim

Dana Carvey; Nick Robinson; cast of “Matilda”

Tom Brokaw; Darlene Love

Harry Connick, Jr.; Dylan Moran

Bill O'Reilly; Greta Gerwig; Quadron

Don Rickles; Nick Cannon; Tom Keifer

Jeff Daniels; Ken Jeong; Jim James

John Travolta; Chris DiStefano; Japandroids

Melissa McCarthy; Idris Elba; Dale Watson and His Lone Stars

Channing Tatum; Tim DeChristopher; Fitz and The Tantrums

Jamie Foxx; Patrick Kane; Wale

Johnny Depp; Marc Maron; Dawes

Michael Cera; Martha Stewart; Ra Ra Riot

Adam Sandler; Joseph Arthur

Salma Hayek Pinault; Tony Hale; Houndmouth

Kevin James; Shaun White; Darius Rucker

Bruce Willis; Bud Selig; Valerie Simpson

Bill Maher; Poppy Montgomery; Pokey LaFarge

Brian Williams; Court Yard Hounds

Liev Schreiber; Adam Newman; Cold War Kids

Cate Blanchett; Aisha Tyler; Franz Ferdinand

Hugh Jackman; Lisa Kudrow; Jason Isbell

Jason Sudeikis; Edward Sharpe & The Magnetic Zeros

Regis Philbin; Terry Fator

Denzel Washington; James McCartney

Bryan Cranston; Amanda Seyfried; Michael Franti & Spearhead

Matt Damon; Hanni El Khatib

Oprah Winfrey; Paul Rudd

Olivia Wilde; Dean Norris; John Mayer

Louis C.K.; Hugh Evans; John Legend

Tina Fey; Valerie June

Serena Williams; Sean Donnelly; MGMT

Patrick Dempsey; Amy Sedaris; Laura Marling

Anderson Cooper; Olivia Munn; Robert Randolph & The Family Band

Staff Sgt. Ty Carter; Hayden Panettiere; In the Valley Below

Bill Murray; Lenny Kravitz & Gladys Knight

Jake Gyllenhaal; Julie Chen; The Dodos

Tim Robbins; Herm Edwards; Passion Pit

Queen Latifah; Jake Johnson; TV on the Radio

Arsenio Hall; Dan Naturman; Laura Mvula

Ricky Gervais; Rahm Emanuel; Janelle Monae

Billy Crystal; Sheryl Crow

Joseph Gordon-Levitt; Keith Olbermann; Keith Urban

Alec Baldwin; Toni Collette

Dr. Phil McGraw; Tom Dreesen

President Bill Clinton; Tired Pony

Cher

Robin Williams; Lizzy Caplan; Icona Pop

Bono; Johnny Galecki; Kings of Leon

Steve Martin; Kathleen Madigan; The Kruger Brothers with Steve Martin

Sean Hayes; Sting

Sarah Michelle Gellar; Nick Offerman; First Aid Kit

Kerry Washington; Ariel Tweto; Yoko Ono Plastic Ono Band

Brian Williams; a performance from the film “Muscle Shoals”

Tom Selleck; Michael Somerville; Albert Hammond Jr.

Tom Hanks; Two Door Cinema Club

Seth Meyers; Michael Fassbender; Amos Lee

Lucy Liu; Mark Jacobson; The Weeknd

Jack Hanna; Kunal Nayyar

Michael Strahan; Simon Amstell; Cage the Elephant

Ray Romano; James Franco

Sylvester Stallone; Anna Faris; Deltron 3030

Bill O'Reilly; The Head and the Heart

Donald Trump; Selena Gomez

Barbara Walters; Steve Young; White Denim

Charles Barkley; Lindsey Vonn; King Krule

Rob Lowe; Scott Dixon; Alan Jackson

Will Arnett; Clive Davis; The Avett Brothers

Harrison Ford; Holy Ghost!

Morgan Freeman; Brian Regan; Frightened Rabbit

Woody Harrelson; David Ortiz; The Wanted

Kathy Griffin; Bruce McCall; J. Cole

Natalie Portman; Chris Elliott; James Blunt

Kelly Ripa; Cobie Smulders; Gary Clark Jr.

Tom Brokaw; Rhys Darby; Black Joe Lewis

Julianna Margulies; Gen. Ray Odierno; Moon Taxi

Michael J. Fox; Lorde

Samuel L. Jackson; Chris Matthews

Claire Danes; Will Forte; Metric

Connie Britton; Lady Antebellum

Vince Vaughn; Jimmie Johnson; Luscious Jackson

Anderson Cooper; Jesse Tyler Ferguson; The Neighbourhood

Jennifer Lawrence; Taraji P. Henson

Jonah Hill; Chiwetel Ejiofor; J. Roddy Walston and The Business

Howard Stern; Adrienne Iapalucci

Josh Hutcherson; Chris “Mad Dog” Russo; Sky Ferreira

Martha Stewart; Pitbull

John Goodman; Kevin McCaffrey; Iggy Azalea with T.I.

Stephen Colbert; Sir Ian McKellen; Chvrches

Billy Crystal; Julie Chen; ZZ Ward

Emma Thompson; Andy Cohen; Nick Lowe

Julia Roberts; Glen Hansard

Regis Philbin; John Witherspoon; Seasick Steve

Will Ferrell; Chris Cornell feat. Joy Williams

Paul Rudd; Cristin Milioti; Alt-J

Ben Stiller; Shannon Eis; Brett Dennen

Steve Carell; The Saint Johns

Kristen Wiig; Darlene Love

Joel McHale; Marv Albert; Washed Out

Scarlett Johansson; John Grant

Anderson Cooper; Bobby Moynihan; Will Hoge

Mindy Kaling; Jeff Altman; Red Fang

Bill Cosby; Sleigh Bells

Michael Strahan; Jennifer Nettles

Kevin Hart; Mo Rocca; The Orwells

Brian Williams; Rosanne Cash

Don Cheadle; Myq Kaplan; Roadkill Ghost Choir

Andy Samberg; Michael B. Jordan; Ellie Goulding

Martin Scorsese; Allison Williams; Cults

Rachel Maddow; Spike Jonze; No Age

Kevin Bacon; Pat McGann; Devon Avenue

Louis C.K.; B.J. Ganem; Artic Monkeys

Eric Stonestreet; Nick Goepper; Bastille

Drew Brees; B.J. Novak; Against Me!

Dr. Phil McGraw; Danny Koker; Dum Dum Girls

Bill Murray; Eagulls

Will Arnett; Broken Bells

George Clooney; Sting

Matt Damon; Lenny Kravitz

Patrick Stewart; The Flaming Lips

Regis Philbin; Ms. Lauryn Hill

Kevin Spacey, Amber Heard, a Top Ten List presented by the cast of

Sage Kotsenburg, Kate Mara

Kaitlyn Farrington, Lupita Nyong'o, Little Dragon

Keri Russell, Terry Fator

Pauley Perrette, Jeff Caldwell, Lake Street Dive

Kaley Cuoco-Sweeting, Dale Earnhardt, Jr., The Fray

Olympic Gold Medalist Ted Ligety, Kat Dennings, Lo-Fang

Meredith Vieira, Band of Horses

Stupid Human Tricks, Simon Helberg, Young the Giant

Jack (Jungle) Hanna, Jake Johannsen

Zach Braff, Sgt. Brendan Marrocco & Dr. Andrew Lee, Future Islands

Michael Keaton, Phantogram

Tom Selleck, Carrie Brownstein, David Nail

Tom Brokaw, Andrew Hadlock, Bob Mould

Mary-Louise Parker, Lenny Marcus, Joan Jett & the Blackhearts

Sen. John McCain, Little Mix

Jason Bateman, Miles Teller, Gary Allan

Sylvester Stallone, Theo James, Ledisi

Bryan Cranston, Melissa Rauch, Le1f

Bill O'Reilly, Nick Griffin, the Dough Rollers

Jimmy Carter

Emma Watson, Nick Offerman, a musical tribute to Johnny Cash

Peter Dinklage, Hari Kondabolu, Sage the Gemini

Cobie Smulders, Nick Cannon, Manchester Orchestra

Kristin Chenoweth, Amy Schumer, Johnnyswim

Bill Murray, Martha Stewart, Lady Gaga

Johnny Depp, Kevin Drew

Billy Crystal, Tony Hale, Liv Warfield

Rob Lowe, Brooklyn Decker, London Grammar

Lindsay Lohan, Jamie Edwards, Real Estate

Courteney Cox, Jimmie 'J.J.' Walker, Christina Perri

Stephen Colbert, Robin Roberts, Kelis

Sally Field, Timothy Simons, Needtobreathe

Neil Patrick Harris, Sarah Hyland, Ray LaMontagne

Piedmont Bird Callers, Michael J. Fox, Naughty Boy

Joel McHale, Vera Farmiga, Aloe Blacc

Lucy Liu, Ziggy Marley

Kiefer Sutherland, Adam Resnick, Benjamin Booker

Louis C.K., a performance from the Broadway cast of Rocky

Don Rickles, Carmen Lynch, the Ghost of a Saber Tooth Tiger

Shailene Woodley, Peyton Manning

Jon Cryer, Elizabeth Olsen, Foster the People

Mariah Carey, Rick Harrison

James Franco, Idina Menzel, a performance by the Broadway cast of 'If/Then'

Nathan Fillion, Tom Dreesen, Hunter Hayes

Harry Connick Jr., Jesse Eisenberg, the Black Keys

Jim Parsons, Julie Chen, Hozier

Barbara Walters, Elle Fanning, Randy Houser

Adam Sandler, Thomas Haden Church

Lea Michele, Andy Kindler, Chromeo

Jack Hanna, Stephen Malkmus & the Jicks

Kid scientists, Sarah Silverman, We Are Scientists

Sgt. Kyle J. White, Judy Greer, Dierks Bentley

Donald Trump, Indianapolis 500 winner Ryan Hunter-Reay, Elizabeth Cook

Martin Short, John Oliver, Spanish Gold

Anderson Cooper, Victor Espinoza, the Afghan Whigs

Hugh Jackman, Joe List, Elvis Costello

Kelsey Grammer, Willie Nelson

Dave Chappelle, Laura Prepon, a Top Ten List presented by Miss USA, the Orwells

Christopher Walken, Janelle Monae, Tatiana Maslany, Miss USA 2014

Regis Philbin, Paul Morrissey, First Aid Kit

Susan Sarandon, Whitney Cummings, Angel Olsen, David Sanborn

Olivia Wilde, Shep Gordon, Empires

Dana Carvey, Ellie Kemper, Sam Smith

Paul Rudd, Jeff Altman, John Doe

Adam Levine, Gen. Frank J. Grass, Broken Bells

Melissa McCarthy, Rachelle Lefevre, Phish

Mark Wahlberg, Ben Falcone, Hurray for the Riff Raff

Mark Ruffalo, Former Marine Lance Cpl. William 'Kyle' Carpenter

Halle Berry, Steve Young, War on Drugs

Joan Rivers, Capital Cities

Lizzy Caplan, Sleeper Agent

Michael Douglas, Paul Morrissey, Kiesza

Kurt Russell, Hannibal Buress, Sturgill Simpson

Jason Segel, Liv Tyler, Trampled By Turtles

Emma Stone, Nathan Fielder, American Authors

Colin Firth, Tommy Johnagin, EMA

Jeff Daniels, Norah O'Donnell, A Special Performance of 'MacArthur Park'

Ricky Gervais, Taylor Schilling, Eli Young Band

Eric Stonestreet, Brody Dalle

Staff Sgt. Ryan Pitts, Sharon Van Etten

John C. Reilly, Rachelle Lefevre, Conor Oberst

Chris Pratt, Rodrigo y Gabriela

Zoe Saldana, Crash

Julia Louis-Dreyfus, Simon Amstell, David Gray

Bruce Willis, the Gaslight Anthem

Joseph Gordon-Levitt, Novak Djokovic, Robby Johnson

Kathy Griffin, Ken Burns, Jeremy Messersmith

Serena Williams, Chadwick Boseman, Echo & the Bunnymen

Michael Cera, dock diving dogs, Lyle Lovett

Howie Mandel, EMA

James McAvoy, Chris Russo, The Last Internationale

Mike Myers, Bonnie McFarlane, John Fullbright

Luke Wilson, Julie Chen, Lee Brice

Kristen Wiig, Sen. Elizabeth Warren, The New Pornographers

Steve Buscemi, Indy Car Season Champ, Alt-J

Tina Fey, Moody McCarthy, Kevin Drew

Bill Maher, Henrik Lundqvist, Spoon

Michael Strahan, Richard Branson, Interpol

Dr. Phil, Katharine McPhee, Death from Above 1979, Ray Benson

Jason Bateman, Billy Eichner, Ryan Adams

Mindy Kaling, Jake Johannsen, Maddie & Tae

Mark Harmon, "Jungle" Jack Hanna

Denzel Washington, Lenny Kravitz

Kelly Ripa, Jim Gaffigan, Paloma Faith

Jerry Seinfeld, Michael Jackson ONE

Ted Danson, Andrew Norelli

Neil Patrick Harris, Jamie Oliver, Aretha Franklin

John Oliver, Maggie Q, Bleachers

Bill O'Reilly, Cristin Milioti

Johnny Galecki, Andre Benjamin, Delta Spirit

Mariska Hargitay, Simon Amstell, Kandace Springs

Aziz Ansari, Tom Dreesen

Robert Downey Jr., Sarah Paulson, Lizzo

Anderson Cooper, Gina Rodriguez, Hatsune Miku

Robert Duvall, Elle Fanning, Rival Sons

Chelsea Handler; Keegan-Michael Key and Jordan Peele; Angaleena Presley

Russell Brand, Dave Grohl, Foo Fighters

Michael Keaton, Foo Fighters

Bill Murray, Foo Fighters

Tom Selleck, Jenny Slate, Foo Fighters

Jessica Chastain, Lenny Marcus, Foo Fighters

Amy Poehler, Sen. Jeff Flake, Sen. Martin Heinrich, Mastodon, Jerry Lee Lewis

Taylor Swift, Tom Mison

Jim Carrey, David Tennant

Brian Williams, Perfume Genius

Keith Olbermann, Brian Regan, Run the Jewels

Martin Short, Father John Misty

Jennifer Lopez, Rob Riggle, Kimbra

Whoopi Goldberg, Jimmy Page, Mapei

Amy Schumer, Jeff Caldwell

Katie Holmes, Alex Zanardi

Steve Carell, Martha Stewart, OK Go

Jennifer Lawrence, Boris Johnson

Jon Stewart, Shawn Mendes

Kristin Chenoweth; Chris Young

Jason Sudeikis, Allison Janney, Damien Rice

Stupid Pet Tricks, Charlie Day, Hiss Golden Messenger

Regis Philbin, Hundred Waters

Edward Norton, Jessye Norman

Norman Lear, TV on the Radio

Seth Rogen, Amy Sedaris

Emily Blunt, Adam Resnick, Wu-Tang Clan

Jake Gyllenhaal, Dr. John P. Holdren, Nico & Vinz

Joaquin Phoenix, Cristela Alonzo, Al Green

Ben Stiller, Olivia Munn, LaLa Brooks

Meryl Streep, Rebel Wilson, J. Cole

Chris Rock, Sting

Jamie Foxx, Robert Klein, Dan Penn

Emma Stone Top, Marcus Mariota, Bob Seger

New Holiday Toys, Anna Kendrick, Charli XCX

Tom Brokaw, Will Nelson & Billy Joe Shaver

Rosie O’Donnel,l Jeff Altman

Jay Thomas, Josh Brolin, Darlene Love

Kathy Griffin, David Oyelowo, Lera Lynn

Ethan Hawke, Allison Williams, Parquet Courts

Julianne Moore, Catfish & the Bottlemen

Donald Trump, Chelsea Peretti, Foxygen

Michael Somerville, Nicole Atkins

Gordon Ramsay, Adam Devine, St. Paul and the Broken Bones

Anderson Cooper, Shovels & Rope

Amanda Peet, Ryn Weaver

Larry David, Dan Patrick, Sleater-Kinney

Urban Meyer, Johnny Beehner, Ella Henderson

Louis CK, Nicolle Wallace, the Lone Bellow

Andrew Luck, Oscar Isaac, Drenge

Viola Davis, Ben Schwartz, Marty Stuart

John Oliver, Mayim Bialik, Death Cab for Cutie

Aziz Ansari, Brian Kiley, Ben Howard

Jack Hanna, Sharon Jones and the Dap-Kings

Dr. Phil McGraw, Robin Tunney, Diana Krall

Ryan Reynolds, Dierks Bentley

Martin Short, Bettye Lavette

Sienna Miller, Andy Kindler, Bob Mould

Steve Carell, Dr. Cornel West

Courtney Love, Chris Elliott, Rhiannon Giddens

Bill Belichick, Elisabeth Moss, Madisen Ward and the Mama Bear

Tom Hanks, Sturgill Simpson

Bill Hader, Pat McGann, Shakey Graves

Matthew Perry, Adam Scott, Kishi Bashi

Dakota Johnson, David Tochinskiy, Twin Shadow

Will Smith, Grizfolk

Don Cheadle, Ilana Glazer & Abbi Jacobson, Mikky Ekko

Kid Scientists, Sean Hayes, Judah & the Lion

Helen Mirren, the 2015 Daytona 500 winner, Steve Earle

Matthew Broderick, Ellie Kemper, JD McPherson

Julianna Margulies, Eric Ripert, Glass Animals

Kevin Spacey, Lily James, Alabama Shakes

Patricia Arquette, Will Butler

Kelsey Grammer, Stevie Wonder

Lena Dunham, Bobby Cannavale, Andy Kim with Kevin Drew

Kevin Bacon, Jimmie Walker, Airborne Toxic Event

Shailene Woodley, Dr. Cornel West, Matthew E. White

Will Ferrell, Glen Hansard

Norm MacDonald, Theo James

Ben Stiller, Tove Lo

Bill O'Reilly, Aubrey Plaza

James Franco, Jake Johannsen, Action Bronson

Neil Patrick Harris, Charlie Cox, the Suffers

David Duchovny, Josh Gad, Houndmouth

Sen. Al Franken, Billy Eichner, David Sanborn

Kelly Ripa, Aasif Mandvi, Fat White Family

Mike Myers, Nick Griffin, Banks

Sarah Jessica Parker, Julie Chen, Asleep at the Wheel

Billy Crystal, Chris Russo, Chris Stapleton

Michael J. Fox, Iron & Wine, Ben Bridwell

Kevin James, Tom Dreesen, Tracy Chapman

Alec Baldwin, John Mayer

John Travolta, Amy Schumer, the Waterboys

Piedmont Bird Callers, Paul Rudd

Bruce Willis, Dawes

Robert Downey Jr., Chris Russo, Elvis Costello

Jerry Seinfeld, Jason Isbell & Amanda Shires

Scarlett Johansson, John Mellencamp, Todd Rundgren

Michael Keaton, Future Islands

Jack Hanna, John Popper

First Lady Michelle Obama Hootie and the Blowfish

Steve Martin, Emmylou Harris, Rodney Crowell, Amos Lee, Ralph Stanley, Mark O'Connor

President Barack Obama, Will Ferrell, the Avett Brothers, Brandi Carlile

Reese Witherspoon, Nathan Lane, Mumford & Sons

Martin Short, Norah Jones

Tina Fey, First Aid Kit

Ray Romano, Brian Regan, Dave Matthews Band

Howard Stern, Don Rickles

Bill Clinton, Adam Sandler

Julia Roberts, Paul Shaffer, Ryan Adams

Al Pacino, George Clooney, Tom Waits

Oprah Winfrey, Norm Macdonald

Tom Hanks, Eddie Vedder

Bill Murray, Bob Dylan