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, Roadhug 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
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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
