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, Band of Horses

Nathan Lane, Ryan Hunter-Reay, thehugers

Steve Martin, Gotye

Kaley Cuoco, the Whigs

Sofia Vergara, Jonny Lee Miller

Lupe Fiasco

Tom Dreesen, Dwight Yoakam

Stephen Colbert, Theresa Caputo, Martha Wash

Martin Short, Kat Dennings

Tina Fey, Rick Santorum, LP

Craig Ferguson, Maggie Gyllenhaal, the Raveonettes

Billy Crystal, the Wallflowers

Jack Hanna, Max Greenfield

Kevin James, Chris Elliott, Miguel

Salma Hayek, Nick Offerman, KISS

Lucy Liu, 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, Pauley Perrette, Paul Banks

Kate Hudson, Ken Burns, St. Vincent with David Byrne

Charles Barkley, Rita Ora

Judy Greer, a Top Ten List presented by Joe Biden, Aerosmith

Jason Sudeikis, Michael Che, Ultraista

Simon Helberg, Ricky Gervais, Ty Segall

Coming soon...

Brian Williams, Ne-Yo

Robin Williams, Lianne La Havas

Matthew Perry, Divine Fits

Bradley Cooper, Robert Klein, Soundgarden

Mumford & Sons

Alec Baldwin, Dirty Projectors

Zooey Deschanel, Lisa Lampanelli

Dr. Phil McGraw, Donald Fagen

Jessica Biel, Pete Townshend, Philip Phillips

Amy Poehler, Josh Hutcherson, Tegan and Sara

Scarlett Johansson, Willie Nelson, Gary Clark Jr.

John Krasinski, Robert Plant, Jimmy Page, John Paul Jones, Paloma Faith

Matt Damon, Martin Freeman, J.D. McPherson

Albert Brooks, Diana Krall

Bill Murray, Vintage Trouble

Dustin Hoffman, One Direction

Anne Hathaway, a Top Ten List presented by the 2012 Heisman Trophy winner, Jake Johnson, the U.S. Marine Corps Band

Amanda Seyfried, Natalia Makarova, a Top Ten List presented by Mick Jagger & Keith Richards, Awolnation

Billy Crystal, James Balong, Grizzly Bear

Jamie Foxx, Julie Chen

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

Jay Thomas, Darlene Love

Kathy Griffin, Chris Pratt, Big Boi

Regis Philbin, Zedd

Tracy Morgan, Marv Albert, Everest

Michael Strahan, Jessica Chastain, Conor Maynard

Brian Williams, Morrissey

Josh Brolin, Lena Dunham, Ray Wylie Hubbard

Michael J. Fox, Allison Williams

Catherine Zeta-Jones, Brian Kiley, Jon Spencer Blues Explosion

Charlie Sheen, Phil Simms, Jose James

Jennifer Lawrence, Alan Zwiebel, 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, Emeli Sande

Gov. Chris Christie, Elvis tribute artist Cody Ray Slaughter

Eric Stonestreet, Pauley Perrette, Elvis tribute artist Brandon Bennett

Joel McHale, Ken Licklider, Elvis tribute artist Justin Shandor

Sally Field, Elvis tribute artist Shawn Klush

Mariah Carey, Elvis tribute artist Ben Portsmouth

Bill O'Reilly, a Top Ten List presented by Sports Illustrated Swimsuit Issue models, the Avett Brothers

Bruce Willis, Little Big Town

Medal of Honor recipient Staff Sgt. Clinton Romesha, Quvenzhane Wallis, Robert DeLong

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

Helen Hunt, Jeff Caldwell, the Macabees

David Spade, Kenny Licklider, Aaron Neville

Michelle Williams, Chris O'Donnell

Hugh Jackman, the Americans

Luke Wilson, Dan Mintz, Imagine Dragons

Bill Carter and the Blame

Alec Baldwin, Emmylou Harris with Rodney Crowell

Joan Rivers, the Daytona 500 winner, Kendrick Lamar

Tina Fey, Jesse Tyler Ferguson, Solange

Charlie Sheen, Phil Simms, Jose James

Mayor 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,huger Mike

Bill Cosby, Mikaela Shiffrin, Garbage

Andy Hendrickson, a Top Ten List presented by IndyCar driver Graham Rahal, the Airborne Toxic Event

Tina Fey, Jesse Tyler Ferguson, Solange

David Spade, Kenny Licklider, Aaron Neville

James Franco, National Grocery Bagging champion Andrew Borracchini, Ed Sheeran

Brian Williams, National Grocery Bagging champion Andrew Borracchini, Pegi Young

Donald Trump, Gary Gulman, Waaves

Shia LaBeouf, Jeff Altman, the Band Perry

Regis Philbin, a performance from the Broadway musical "Cinderella"

Louis CK, 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

Steve Martin, Jenna Fischer, Edie Brickell

Kate Hudson, Selena Gomez

Dwayne Johnson, Snoop Lion

Jon Hamm, Ricky Jay, the So So Glos

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

Alyson Hannigan, Natalie Maines

Jack Hanna, Benedict Cumberbatch

Chris Pine, Tom Dreesen, She & Him

Mark Harmon, Luke Bryan

Tom Hanks, a performance from the Broadway musical "Pippin"

Ed Helms, Brad Paisley

Barbara Walters, Jesse Eisenberg, MS MR

Will Arnett, Kurt Vile

Will Smith, the National

Piedmont Bird Callers, Jason Bateman, John Fogerty

Woody Harrelson, Tommy Johnagin, John Fogerty with Dawes

Neil Patrick Harris, Indianapolis 500 winner Tony Kanaan, Frank Turner

Nathan Fillion, a Top Ten List presented by Joan Rivers, John Oliver, Local Natives

Johnny Galecki, John Mellencamp, Stephen King, Queens of the Stone Age

Vince Vaughn, Queens of the Stone Age

Coming soon...

Russell Brand, Michael Shannon, Haim

Dana Carvey, Nick Robinson, a performance from the Broadway musical "Matilda"

Tom Brokaw, Darlene Love

Harry Connick Jr., a Top Ten List presented by members of the U.S. Army, Dylan Moran

Bill O'Reilly, Greta Gerwig, Quadron

Don Rickles, Nick Cannon

Jeff Daniels, Jim James

John Travolta, Japandroids

Melissa McCarthy, Idris Elba, Dale Watson

Channing Tatum, Tim DeChristopher, Fitz and the Tantrums

Jamie Foxx, Marc Maron, Wale

Johnny Depp, Adam Newman, Dawes

Michael Cera, Martha Stewart, Ra Ra Riot

Adam Sandler, Joseph Arthur

Salma Hayek, Tony Hale, Houndmouth

Kevin James, Shaun White, Darius Rucker

Bruce Willis, Bud Selig, Valerie Simpson

Brian Williams, dock diving dogs, 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., John Legend

Tina Fey, Valerie June

Serena Williams, Sean Donnelly, MGMT

Patrick Dempsey, Amy Sedaris

Anderson Cooper, Alison Pill, Robert Randolph and the Family Band

Staff Sgt. Ty Carter, In The Valley Below

Jake Gyllenhaal, Julie Chen, the Dodos

Tim Robbins, Herm Edwards, Passion Pit

Queen Latifah, Jake Johnson, TV on the Radio

Arsenio Hall, Laura Mvula

Rahm Emanuel, Ricky Gervais, Janelle Monae

Billy Crystal, Sheryl Crow

Joseph Gordon-Levitt, Keith Olbermann, Keith Urban

Alec Baldwin, Toni Collette

Dr. Phil McGraw, Tom Dreesen

Bill Clinton, Tired Pony

Cher, Lizzy Caplan

Robin Williams, a Top Ten List presented by Renee Fleming, Icona Pop

Johnny Galecki, Stupid Human Tricks, Kings of Leon

Steve Martin, Kathleen Madigan, Kruger Brothers featuring Steve Martin

Sean Hayes, Sting

Sarah Michelle Gellar, Nick Offerman, First Aid Kit

Kerry Washington, Ariel Tweto, Yoko Ono and Plastic Ono Band

.Brian Williams, Stupid Human Tricks, 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, Cage the Elephant

Ray Romano, James Franco

Sylvester Stallone, Anna Faris, Deltron 3030

Bill O'Reilly, the Head and the Heart

Selena Gomez

Donald Trump, Steve Young, White Denim

Charles Barkley, Lindsey Vonn, King Krule

Rob Lowe, the 2013 Indy Car champion, Alan Jackson

Will Arnett, the Avett Brothers

Harrison Ford, Halloween costumes, Holy Ghost!

Morgan Freeman, Brian Regan

David Ortiz, Woody Harrelson, the Wanted

Kathy Griffin, Bruce McCall, J. Cole

Natalie Portman, Chris Elliott, James Blunt

Kelly Ripa, Gary Clark Jr.

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

Lady Antebellum