Vince Vaughn, 2013 NASCAR Sprint Cup Series Champion Luscious Jackson

Jennifer Lawrence, Jesse Tyler Ferguson

Howard Stern, the Neighbourhood

Jonah Hill, Chiwetel Ejiofor

Stephen Colbert, J. Roddy Walston and the Business

Josh Hutcherson, Sky Ferreira

Martha Stewart, Pitbull

John Goodman, Kevin McCaffrey, Iggy Azalea featuring T.I.

Stephen Colbert, Ian McKellen

Billy Crystal, Julie Chen, ZZ Ward

Emma Thompson, a Top Ten List presented by Josh Groban, Nick Lowe

Julia Roberts, Glen Hansard

John Witherspoon, Seasick Steve

Will Ferrell, a Top Ten List presented by the 2013 Heisman Trophy winner, Chris Cornell featuring Joy Williams

Paul Rudd, Cristin Milioti, a Top Ten List presented by Barbara Walters, Alt-J

Ben Stiller, Brett Dennen

Steve Carell, the Saint Johns

Kristen Wiig, Jay Thomas, Darlene Love

Lena Dunham, Max Greenfield, Brandy Clark

Joel McHale, Marv Albert

Scarlett Johansson, John Grant

Anderson Cooper, Will Hoge

Jeff Altman, Red Fang

Bill Cosby, Sleigh Bells

Michael Strahan, Jennifer Nettles

Kevin Hart, the Orwells

Brian Williams, Rosanne Cash

Don Cheadle, Myq Kaplan, Roadkill Ghost Choir

Julia Roberts, Glen Hansard

Andy Samberg, Michael B. Jordan, Ellie Goulding

Martin Scorsese, Allison Williams, Jamie Lynn Spears

Rachel Maddow, Spike Jonze, No Age

Pat McGann, Devon Avenue

Louis C.K., B.J. Ganem, Arctic Monkeys

Eric Stonestreet, Nick Goepper, Bastille

Drew Brees, B.J. Novak, a Top Ten List presented by David Stern, Against Me!

Dr. Phil McGraw

Bill Murray, Eagulls

Will Arnett, Broken Bells

George Clooney, Sting

Matt Damon, Lenny Kravitz

Michael Keaton, the Flaming Lips

Jimmy Dunn, Lauryn Hill

Kevin Spacey, Amber Heard, a Top Ten List presented by the cast of "How I Met Your Mother", Gary Clark Jr.

Sage Kotsenburg, Cole Swindell

Donald Trump, Lupita Nyong'o, Little Dragon

Joss Christensen, Gus Kenworthy, Nick Goepper, Keri Russell, Terry Fator

Pauley Perrette, Jeff Caldwell, Lake Street Dive

Kaley Cuoco, Dale Earnhardt Jr., the Fray

Ted Ligety, Kat Dennings, Lo-Fang

Meredith Vieira, Band of Horses

Stupid Human Tricks, Simon Helberg, Young the Giant

Jack 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

Lenny Marcus, Joan Jett & the Blackhearts

Sen. John McCain, Little Mix

Jason Bateman, 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

Coming Soon...

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 Walker, Christina Perri

Stephen Colbert, Robin Roberts, Kelis, Sam Moore

Sally Field, Timothy Simons, Needtobreathe

Neil Patrick Harris, Sarah Hyland, Ray LaMontagne

Piedmont Bird Callers, Michael J. Fox, Naughty Boy featuring Sam Smith

Joel McHale, Vera Farmiga, Aloe Blacc

Stupid Pet Tricks, Lucy Liu, Ziggy Marley

Kiefer Sutherland, Adam Resnick, Benjamin Booker

Louis C.K., Amy Sedaris, a performance by 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, Dierks Bentley

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

Martin Short, John Oliver, Spanish Gold

Arsenio Hall, Victor Espinoza, the Afghan Whigs

Hugh Jackman, Joe List, Lana Del Rey

Kelsey Grammer, Bill Scheft, Willie Nelson

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

Christopher Walken, Janelle Monae

Regis Philbin, Paul Morrissey, First Aid Kit

Whitney Cummings, Angel Olsen

Olivia Wilde, Shep Gordon, Empires

Dana Carvey, Sam Smith

Paul Rudd, Jeff Altman, John Doe

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

Melissa McCarthy, Tim Duncan, 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, St. Vincent

Jeff Daniels, a performance of the song "MacArthur Park"

Ricky Gervais, Taylor Schilling, Eli Young Band

Eric Stonestreet, Brody Dalle

Simon Amstell, Sharon Van Etten

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 "Mad Dog" Russo, the Last Internationale

Mike Myers, Bonnie McFarlane, John Fullbright

Luke Wilson, Julie Chen, Lee Brice

Sen. Elizabeth Warren, Kristen Wiig, the New Pornographers

Steve Buscemi, Will Power, Alt-J

Tina Fey, Kevin Drew, Moody McCarthy

Bill Maher, Henrik Lundqvist, Spoon

Michael Strahan, a Top Ten List presented by 2014 U.S. Open Men's champion Marin Cilic, Richard Branson, Interpol

Dr. Phil McGraw, Katharine McPhee, Death From Above 1979

Jason Bateman, Billy Eichner, Ryan Adams

Mindy Kaling, Jake Johannsen, Maddie & Tae

Mark Harmon, Jack Hanna

Denzel Washington, Lenny Kravitz

Kelly Ripa, Jim Gaffigan, Paloma Faith

Jerry Seinfeld, a performance from Cirque du Soleil's "Michael Jackson ONE"

Ted Danson, Andrew Norelli, Stupid Human Tricks

Neil Patrick Harris, Jamie Oliver, Aretha Franklin

Rosie O'Donnell, Maggie Q, Bleachers

Bill O'Reilly, Cristin Milioti

Johnny Galecki, Andre Benjamin, Delta Spirit

Mariska Hargitay, Simon Amstell, Kandace Springs

Aziz Ansari, Tom Dreesen, Jackson Browne

Robert Downey Jr., Sarah Paulson, Lizzo, Nils Lofgren

Anderson Cooper, Gina Rodriguez, Hatsune Miku

Robert Duvall, Elle Fanning, Rival Sons

Chelsea Handler, Keegan-Michael Key & 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

Brian Regan, Run the Jewels

Katie Holmes, Alex Zanardi, Jessica Hernandez

Steve Carell, 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

James Corden, 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, a Top Ten List presented by the 2014 Heisman Trophy winner, Bob Seger

Anna Kendrick, Charli XCX

Willie Nelson & Billy Joe Shaver

Rosie O'Donnell, Jeff Altman

Josh Brolin, Jay Thomas, Darlene Love