Christina Ricci, Mike 'The Situation' Sorrentino, Paul 'DJ Pauly D' DelVecchio, Vinny Guadagnino, Ronnie Ortiz-Magro, Mariachi El Bronx
Kelsey Grammer, Octavia Spencer, Lloyd
Tracy Morgan, Chris Paul, tUnE-yArDs
Don Cheadle, David Cross, Boyz II Men
Channing Tatum, Ben Flajnik, Uh Huh Her
Randy Jackson, Dermot Mulroney, Will Hoge
Woody Harrelson, Yvonne Strahovski, Rodney Atkins
Meryl Streep, Stephen Merchant, Kina Grannis
Katherine Heigl, Ne-Yo, Grouplove
Will Arnett, Madeleine Stowe, Dana Gould
Tom Arnold, Keke Palmer, Filter
Terrence Howard, Thomas Horn, Safetysuit
Kiefer Sutherland, Bear Grylls, Young the Giant
Elizabeth Banks, Ben McKenzie, Mindless Behavior
Cuba Gooding Jr., Sara Hyland, Big Freedia
Andre Agassi, J.B. Smoove, Seal
Kate Walsh, Marc Maron, Fishbone
Martin Scorsese, Kenneth Branagh, Angels and Airwaves
John Krasinski, Eloise Mumford, Gotye
Gary Oldman, Tim Heidecker & Eric Wareheim, Korn
Michelle Williams, Angela 'Big Ang' Raiola, Pitbull
Antonio Banderas, Damon Wayans Jr., 50 Cent
Nathan Fillion, Josh Hutcherson, Far East Movement
Courteney Cox, Mario Manningham & Ahmad Bradshaw, Tony Bennett
Jeff Goldblum, David Alan Grier, Lana Del Rey
John Goodman, Kevin Nealon, Robin Thicke
Sean 'Diddy' Combs, 'Science Bob' Pflugfelder, Miley Cyrus
Chris Pine, Khloe Kardashian Odom, Puscifer
Eric Stonestreet, Kate Upton, Jake Owen
Jessica Alba, Rep. Barney Frank, Nathan Myhrvold, Tower of Power
Joel McHale, Justin Theroux, Die Antwoord
After the Oscars Special
Steven Tyler, Harvey Weinstein, Melanie Fiona
Maria Menounos; Mat Kearney
Ed Helms, Leslie Bibb, Wallpaper
Joan Rivers, Nicki Minaj
Dr. Phil McGraw; “The Bachelor” runner-up Lindzi Cox; Keane
Will Ferrell; actress Ellie Kemper; Allen Stone
Jonah Hill; Busy Philipps; The Crystal Method feat. Martha Reeves
Channing Tatum; actor Genesis Rodriguez
Jessica Simpson; Gael García Bernal
Kristen Bell; actor Ice Cube; KISS performs
Don Rickles; Amanda de Cadenet; Dr. Teeth and the Electric Mayhem
Kristin Chenoweth; racecar driver Jimmie Johnson; Neon Trees
Zooey Deschanel; actor Steven Seagal; Shinedown
Ashton Kutcher and Justin Bieber; All-American Rejects
Adam Carolla; professional basketball player Kevin Durant; White Rabbits
Carson Daly; actress Kristen Schaal
Seann William Scott; actress Christa Miller; Eli Young Band
Edie Falco; Amy Schumer
Jason Biggs; Lionel Richie and Billy Currington
Anthony Davis; actress Lena Headey; NeedToBreathe
LL Cool J; actor James Van Der Beek; Josh Baze
David Spade; Slash feat. Myles Kennedy
Ashley Judd; director Bobcat Goldthwait; The Civil Wars
Danny McBride; actress Dianna Agron; The Shins
Zac Efron; actress Krysten Ritter; Noel Gallagher
Mark Harmon; Dancing With the Stars castoff; Ashanti performs
Jennifer Love Hewitt; Chef Georgia Pellegrini; Jason Mraz
Gabourey Sidibe; Morgan Spurlock; Kasabian
Julia Louis-Dreyfus; Andy Hoang & Erik Salgado; The Hives
John Cusack; Vintage Trouble
Sharon Osbourne; Max Greenfield; LP
Emily Blunt; Dave Salmoni; Adam Lambert
Vanessa Williams; Jonny Lee Miller; Andrew Bird
David Arquette; Civil Twilight
William H. Macy; Eva Green; Brad
Scarlett Johansson; Roger Daltrey
Kristen Stewart; Chloë Grace Moretz; B.o.B.
Johnny Depp; Casey Wilson; Silversun Pickups
Steve Harvey; Dev Patel; Glenn Frey
Dr. Phil McGraw; Carrie Underwood
Drew Carey; Rita Wilson
Matthew Morrison; Beth Stern; Delta Spirit
Kristin Bell; Dax Shepard; Jason Mantzoukas; The Cult
Kathy Griffin; Emily Maynard; Gavin DeGraw
Patricia Heaton; Nikolaj Coster-Waldau; Lisa Marie Presley
Josh Brolin; Bethenny Frankel; Kimbra
Charlize Theron; Manny Pacquiao; Graffiti6
Christina Ricci; Chef Adam Perry; fun.
Andy Samberg; Edward Sharpe and the Magnetic Zeros
Kim Kardashian, Kourtney Kardashian and Khloe Kardashian Odom; Adam Carolla; K'Naan
Edward Norton; Leighton Meester; Dead Sara
Martin Short; Cee Lo Green; Goodie Mob
Jada Pinkett Smith; Matt Kemp; The Temper Trap
Sally Field; Kevin Love; Waka Flocka Flame
Anderson Cooper; Scott Caan; Metric
Katy Perry; Alex Pettyfer; The Offspring
Louis C.K.; Zoe Kazan
Matt LeBlanc; Selma Blair; Linkin Park
Howie Mandel; Chris Bosh; Linkin Park
Paul Reubens; Dreama Walker; Marina and the Diamonds
Gary Oldman; Rob Riggle; The Dirty Heads
Wanda Sykes; Joel Kinnaman; Serj Tankian
Billy Crudup; Fred Willard; Grace Potter and the Nocturnals
Bryan Cranston; Larry King; Zac Brown Band
Russell Brand; Olivia Munn; Matisyahu
Kate Beckinsale; Chris Harrison; Rubblebucket
Charlie Sheen; Nicole 'Snooki' Polizzi; Huey Lewis & Joe Cocker
Ben Stiller; Emily Maynard; The Head and the Heart
Jeremy Renner; Aaron Paul; Nas
Colin Farrell; Rosemarie DeWitt; Trey Songz
Jessica Biel; Rick Ross
David Duchovny; Jeff Ross; Alabama Shakes
Joseph Gordon-Levitt; Rebel Wilson; Good Old War
Thomas Haden Church; Rick Bayless; JJAMZ
Jennifer Garner; Paul Scheer; The Fixx
Tom Arnold; Ashley Greene; The Wood Brothers
Gordon Ramsay; Jordin Sparks; Andy Grammer
Robert Pattinson; Rick & Corey Harrison; Poliça
Kyra Sedgwick; Nick Prueher & Joe Pickett; Josh Doyle
Jamie Foxx; Cat Deeley; Imagine Dragons
Bob Newhart; Kevin Hart; Miss Willie Brown
Matt Stone & Trey Parker; Adam Scott; Everclear
Lea Michele; Simon Bird; The Avett Brothers
Dr. Phil McGraw; Dakota Johnson; Rita Ora
Britney Spears & Simon Cowell; Slightly Stoopid
Terry Bradshaw; Dave Matthews
Matthew Perry; Josh Hamilton; Kreayshawn
Richard Gere; Josh Radnor
Julie Bowen; Nate Parker; The Afghan Whigs
Julianna Margulies; Jessie Tyler Ferguson; The Killers
Melanie Griffith; Kerry Washington; Alanis Morissette
Keanu Reeves; Ginnifer Goodwin; Green Day
Selena Gomez; Lenny Venito; Tony Bennett
Zooey Deschanel; Maggie Grace; Electric Approach
Ty Burrell; Chris Paul; Psy
Amy Poehler; Alan Arkin; Garbage
Zac Efron; Jack Black & Kyle Gass; Tenacious D
Ben Affleck; Demi Lovato; Ben Howard
Megan Mullally; Father John Misty
Will Arnett; Chris Elliott; Dwight Yoakam
Kevin James; Ezra Miller
Aziz Ansari; Alana “Honey Boo Boo” Thompson & June “Mama” Shannon; Josh Turner
Don Rickles; Dancing with the Stars Castoff; Miguel
Joel McHale; Joe Walsh
Matthew Fox; Emily VanCamp; Paul Weller
Russell Peters; Prince
Axl Rose; Ana Gasteyer; The Whigs
Michelle Obama; Halle Berry; Ciara
Kelly Ripa; Alicia Keys
Howard Stern; Tracy Morgan; Sharon Jones and the Dap-Kings
David Letterman; Vampire Weekend
Jon Stewart & Stephen Colbert; The Avett Brothers with the Brooklyn Philharmonic
Robert Pattinson; Chris Hardwick; Ben Folds Five
John Goodman; Hayden Panettiere; Machine Gun Kelly
Kirstie Alley; Dave Salmoni; Tyler Bryant & The Shakedown
Daniel Craig; Stephenie Meyer; Boys Like Girls
Jessica Lange; Adam Pally; Game feat. Tyga & Wiz Khalifa
Christina Applegate; Youngblood Hawk
Martin Short; Suraj Sharma; Ne-Yo
Mel Brooks; Jake Tapper; Jason Aldean
Eric Stonestreet; L.A. Reid; Aimee Mann & James Mercer
Two Dancing with the Stars Castoffs; Andy Allo
Tim Allen; Manny Pacquiao; Flo Rida
Ryan Seacrest; Erin Andrews; Soundgarden
Reba McEntire; Mike Tyson; Youngblood Future
Eric Bana; Damian Lewis; Wiz Khalifa
Ted Danson; Emilia Clarke; Larry g(EE)
Leslie Mann; Ted; Sarah Jaffe
John Krasinski; Mike Birbiglia; Atlas Genius
Zachary Knighton; Dan Deacon
Hugh Jackman; Jenna Fischer; 2 Chainz
Samuel L Jackson; Jersey Shore cast; Ed Sheeran
Eric Stonestreet; L.A. Reid; Aimee Mann and James Mercer
Jessica Lange; Adam Pally; Game featuring Tyga
