Lena Dunham; Max Greenfield; Brandy Clark
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
