Seth Rogen, Lea Michele and musical guest Jack White
Tom Hanks, Jack McBrayer and musical guest Soundgarden
Jon Hamm, Charlyne Yi and musical guest Fistful of Mercy
Michael Cera, Julie Bowen and comedian Jon Dore
LL Cool J, B.J. Novak and musical guest Sharon Jones & The Dap-Kings
Harrison Ford, Rosario Dawson and comedian Reggie Watts
Russell Brand, Susan Casey and musical guest The 88
Jesse Eisenberg, Venus Williams and musical guest The Decemberists
Christina Aguilera, Zachary Levi
Christina Applegate, Patton Oswalt and musical guest Maroon 5
Eva Mendes, Bob Saget and musical guest Neon Trees
Jim Parsons, Marisa Miller and comedian Brendon Walsh
George Lopez, Chris Colfer and musical guest Scott Mescudi
Charles Barkley, Dr Drew Pinksy and comedian Bo Burnham
Joel McHale, Tim Gunn and musical guest Cake
Kim, Kourtney and Khloe Kardashian, Kevin Nealon and musical guest Deerhunter
Nicole Kidman, Charlie Day and musical guest Lauren Pritchard
Rainn Wilson, Roberta Mancino and musical guest Christina Perri
Ray Romano, Arianna Huffington
Sarah Silverman, Michio Kaku and musical guest She & Him
Gwyneth Paltrow, T.J. Miller and musical guest Jimmy Eat World
Seth Green, Tim Meadows and musical guest Broken Bells
Amy Adams, Roger Waters and musical guest Edward Sharpe & The Magnetic Zeros
Mark Wahlberg, Charles Phoenix and musical guest Jenny & Johhny
Aaron Eckhart, Mary Lynn Rajskub and musical guest Beach House
Kevin Spacey, Kristen Schaal and musical guest Los Lobos
Jack Black, Erika Nelson and musical guest Jimmie Vaughan
Jason Segel, Shane Smith and comedian Reggie Watts
Adam Sandler, Donald Glover and musical guest Guster
Javier Bardem, Rashida Jones and musical guest Steel Train
Denis Leary, Ice Cube and comedian Tim Minchin
Ricky Gervais, Kaitlin Olson and musical guest Cheap Trick
Cameron Diaz, Dax Shepard and musical guest My Chemical Romance
Jennifer Garner, Gabriel Iglesias and musical guest Social Distortion
Natalie Portman, Chris Pratt and musical guest Keyshia Cole
William H Macy, Marc Maron and musical guest Aloe Blacc
Larry King, Shaun White and musical guest Iron and Wine
Steven Ho, Patton Oswalt and musical guest Wanda Jackson
Jon Cryer, Nick Thune and musical guest Motorhead
Jane Lynch, Joe Buck and musical guest The Ghost of a Saber Tooth Tiger
Amy Poehler, Tim and Eric and musical guest Randy Rogers Band
Jennifer Aniston, Nick Offerman and musical guest Peter Bjorn and John
Kobe Bryant, Camilla Belle and comedian Jamie Kilstein
Lisa Kudrow, Mike O'Malley and musical guest Interpol
Jeff Bridges, Nick Swardson and musical guest Far East Movement
Craig Ferguson, Kevin Hart and musical guest Red
Curtis '50 Cent' Jackson, Chris Elliott and musical guest Ray LaMontagne
Seth MacFarlane, Brooklyn Decker and comedian Dana Gould
Justin Bieber, Claire Smith and musical guest The Black Keys
Dr Phil McGraw, Ginnifer Goodwin and a parkour performance by Jump City: Seattle
Martin Lawrence, Fred Armisen and comedian Reggie Watts
Martin Short, Chris Bosh and musical guest Nicole Atkins
Ed Helms, Carmelo Anthony and musical guest Chromeo
Matthew Perry, Mike Sorrentino and musical guest Jason Aldean
Jason Sudeikis, Brandon T. Jackson and musical guest G-Love
Cory Monteith, Stephen Merchant and comedian Kumal Nanjiani
Marisa Tomei, Harland Williams and musical guest Fitz & The Tantrums
Piers Morgan, Emmy Rossum and comedian Nick Griffin
Chelsea Handler, Anthony Mackie and musical guest Mavis Staples
Emily Blunt, Martha Stewart and musical guest Taio Cruz
Seth Green, Mike Tyson and musical guest Travis Barker
Nigel Marven, Gary Oldman and musical guest Drive-by Truckers
Pee-Wee Herman, Edmund Morris and comedian Shane Mauss
Seth Rogen, Brittany Snow and musical guest Lykke Li
Sarah Silverman, Biz Stone and comedian Pete Holmes
Eric Stonestreet, Sarah Chalke and musical guest Teddy Thompson
Vanessa Hudgens, Mike Mizanin and musical guest Grace Potter
Jake Gyllenhaal, Randy Jackson and musical guest Panic! at the Disco
Paul Giamatti, Olivia Munn and musical guest Little Big Town
Greg Kinnear, Steve Schirripa and comedian Mo Mandel
Johnny Knoxville, Kaley Cuoco and musical guest Thompson Square
Russell Brand, Kloe Kardashian and comedian Roy Wood Jr
Tracy Morgan, Charlyne Yi and musical guest Infantree
Danny McBride, Jeremy Wade and musical guest OneRepublic
Jack McBrayer, Colin Quinn and musical guest Hanson
Chris O Donnell, Lil' John and musical guest PJ Harvey
Gordon Ramsay, Hayden Panettiere and comedian Ryan Stout
Dax Shepard, Anthony Anderson and musical guest The Kills
Matthew Morrison, Alexis Bledel and musical guest Queens of the Stone Age
Emma Roberts, Damon Wayans Jr and musical guest Scala & Kolacny Brothers
Tina Fey, Dr. Sanjay Gupta and musical guest Plan B
Tyler Perry, Morgan Spurlock and musical guest The Strokes
Reese Witherspoon, Joseph Gordon-Levitt and musical guest The Head and the Heart
Will Ferrell, Paul Bettany and musical guest James Blunt
Steve Martin, Atticus Shaffer
Eva Mendes, Dan Dunn and musical guest The Belle Brigade
John Krasinski, Blake Griffin and comedian Ian Edwards
Demetri Martin, Kat Dennings and musical guest Amos Lee
Zach Braff, Judd Apatow and comedian Al Madrigal
Jon Hamm, Miranda Kerr and musical guest Ke$ha
Magic Johnson, Maggie Q and comedian Jen Kirkman
Zach Galifianakis, Sig Hansen and musical guest Raphael Saadiq
Norm Macdonald, Todd Phillips and musical guest The Joy Formidable
Bradley Cooper, Chris O'Dowd and comedian Jimmy Carr
Ken Jeong, Rebel Wilson and musical guest Yeasayer
Topher Grace, Melissa McCarthy and musical guest Beardyman
Dave Salmoni, Kevin Nealon and musical guest Ben Harper
Dana Carvey, Mike Zohn and Evan Michelson and musical guest Tinie Tempah
Ice-T, Breckin Meyer and musical guest Flogging Molly
Flavor Flav, Curtis Stone and comedian Tim Minchin
Steven Ho, Peter Sarsgaard and musical guest Death Cab for Cutie
George Lopez, Gary Dell'abate and musical guest Jessie and the Toyboys
Noah Wyle, Riley Griffiths and comedian Anthony Jeselnik
Jeff Garlin, Sarah Vowell and musical guest The Airborne Toxic Event
Tom Arnold, Mike Birbiglia and musical guest Redlight King
Ryan Reynolds, Simon Pegg and comedian Kyle Kinane
Neil Patrick Harris, Emily Mortimer and comedian Tom Segura
Larry the Cable Guy, Cat Deeley and comedian Reggie Watts
Gabourey Sidibe, Rob Corddry and musical guest Alison Krauss & Union Station
Adam Levine, Nick Kroll and musical guest My Morning Jacket
Jason Sudeikis, D.J. Qualls and musical guest Ke$ha
Elijah Wood, Leslie Bibb and musical guest Gillian Welch
Liv Tyler, Mark-Paul Gosselaar and comedian Jon Dore
Tom Hanks, Myron Nixon
Bryan Cranston, Chris Hardwick and musical guest Edward Sharpe and the Magnetic Zeros
Seth Green, Marc Maron and musical guest Tedeschi Trucks Band
Justin Timberlake, Jon Ronson and comedian Myq Kaplan
Lisa Kudrow, Rhett & Link and comedian Nate Bargatze
Emma Stone, Jon Benjamin and musical guest K.T. Tunstall
Adrian Grenier, Tom Felton and comedian Steve Byrne
Kevin Connolly, Jeff Lewis and musical guest Funeral Party
Jon Favreau, Jayma Mays and musical guest Brett Dennen
Harrison Ford, Marisa Miller and musical guest Pitbull
Shaquille O'Neal, Brian Posehn and musical guest Seether
Olivia Wilde, Novak Djokovic and comedian Russell Howard
Jason Bateman, Noah Ringer and comedian Ron Funches
Piers Morgan, J.B. Smoove and musical guest Imelda May
James Franco, Nick Swardson
Aziz Ansari, Mike Sorrentino and comedian Nate Bargatze
Denis Leary, Sheamus O'Shaunessy and musical guest Keb' Mo'
Kathy Griffin, Christopher Mintz-Plasse and musical guest Trombone Shorty and Orleans Avenue
Anne Hathaway, Jason Momoa and comedian Sean O'Connor
Paul Rudd, Jessica Chastain and musical guest Vanessa Carlton
Louis C.K., Jim Sturgess and comedian Hugh Moore
Kevin Nealon, Aubrey Plaza and musical guest Lindsey Buckingham
Don Johnson, Busy Phillips and musical guest Band of Horses
Charlie Day and musical guest Foo Fighters
Howie Mandel, Floyd Mayweather and musical guest Alexander
Roseanne Barr, Pauly Del Vecchio and comedian Baron Vaughn
Tyra Banks, Glenn Howerton and comedians The Sklar Brothers
Ashton Kutcher, Jeb Corliss and musical guest Foo Fighters
Ryan Gosling, Nicole Scherzinger and comedian Tig Notaro
Simon Baker, Bryce Dallas Howard and comedian Maria Bamford
Jim Parsons, Chris Pratt and musical guest Grouplove
Jonah Hill, John Noble
Taylor Lautner, Kevin Hart and comedian Neal Brennan
Marisa Tomei, Carey Wilson and comedian Joe Mande
Seth Rogen, Scott Mescudi and musical guest Daryl Hall
Patton Oswalt, Ruth England & Mykel Hawke and musical guest Portugal. The Man
Ty Burrell, Jillian Michaels and musical guest Ryan Adams
Will Arnett, Deepak Chopra and comedian Brent Weinbach
Steven Ho, Michael C. Hall and comedian Gary Gulman
Sarah Michelle Gellar, Simon Helberg and musical guest Dropkick Murphys
Kaley Cuoco, Dr. Drew Pinsky and musical guest Mayer Hawthorne
Ray Liotta, Jose Andres and comedian Tommy Johnagin
Tom Selleck, Julianne Hough and musical guest All Time Low
Jesse Tyler Ferguson, Steve Harvey and comedian Amy Schumer
Chris Colfer, Charlyne Yi and comedian Matt Braunger
Zach Galifianakis, Aaron Paul and musical guest Switchfoot
Jane Lynch, Paul Scheer and musical guest Allen Stone
Hugh Laurie, Kari Byron and comedian T.J. Miller
New York City - Jimmy Fallon and comedian Reggie Watts
New York City - Hugh Jackman and musical guest Cobra Starship
New York City - Matthew Broderick and musical guest Paul Simon
New York City - Louis C.K. and Triumph the Insult Comic Dog