Jamie Foxx, Lindsey Vonn, Brad Paisley
Sarah Palin, Shaun White, Adam Lambert
"Jaywalk All-Stars" with the cast of "Jersey Shore", Chelsea Handler, Apolo Anton Ohno, Avril Lavigne
Brett Favre, Matthew McConaughey, Jason Reitman
Morgan Freeman, Meredith Vieira
Simon Cowell, Richard Roeper, Ben Harper
Christoph Waltz, Dave Salmoni, Joan Jett & the Blackhearts
Kristen Stewart, Guy Fieri, Ryan Bingham
Dana Carvey, Kim Kardashian, Colbie Caillat
Dakota Fanning, Judd Apatow, Katharine McPhee
Terry Bradshaw, Kara DioGuardi, Ziggy Marley
Hugh Jackman, Betty White, Collective Soul
Dwayne Johnson, kid inventors, Switchfoot
Janet Jackson, Clark Duke, Orianthi
John Cusack, Heidi Montag, Barenaked Ladies
Charles Barkley, Kenny Smith, Ernie Johnson, k.d. lang
Gerard Butler, Sofia Vergara, Rodrigo y Gabriela
Ed Helms, Pamela Anderson, Snoop Dogg
Miley Cyrus, Tom Papa, Puddle of Mudd
Craig T. Nelson, Rumer Willis, Ludacris
Lauren Graham, Karl Rove, Joss Stone
Joy Behar, Thomas Haden Church, Shooter Jennings
Bill Maher, Wayne Vandenlangenberg, OneRepublic
Zachary Levi, Bear Grylls, Justin Bieber
Randy Jackson, Matthew & Amy Roloff, Monica
Kirstie Alley, David Boreanaz, Slash & Andrew Stockdale
David Duchovny, Kendra Wilkinson-Baskett, Corinne Bailey Rae
Demi Moore, Rep. Barney Frank, Train
Julie Scardina, Mary McCormack, Michael Kosta
Russell Crowe, Jenna Elfman, Sade
Nicolas Cage, Lisa Lampanelli, Lady Antebellum
Tracy Morgan, Chloe Moretz, Alan Jackson
Kate Gosselin, Kenny Chesney
Brooke Shields, Phoenix
Heidi Klum, Ken Jeong, Smashing Pumpkins
Jennifer Lopez, Chace Crawford, Natalie Merchant
Jeff Corwin, Pierce Brosnan, Maxwell
Creed
Joel McHale, "Real Housewives of New Jersey" Caroline Manzo, Jacqueline Laurita & Teresa Giudice, Melissa Etheridge
Jessica Simpson, Jackie Earle Haley, Dierks Bentley
Chelsea Handler, Aqualung
Arnold Schwarzenegger, Sig Hansen, Laura Bell Bundy
Mickey Rourke, Ashley Graham
Julia Louis-Dreyfus, Jon Favreau, Godsmack
Scarlett Johansson, Frank Caliendo, Michael Bolton
Robert Downey Jr., Mindy Kaling
Samuel L. Jackson, Kara DioGuardi, Jason Derulo
Don Cheadle, Erin Andrews
Laura Bush, Donald Trump, Limp Bizkit
Amanda Seyfried, Guy Fieri, Luke Bryan
Betty White, Jarod Miller, Macy Gray
Garry Shandling, Ellie Kemper, Jakob Dylan
Donald Trump, the Jonas Brothers, Neon Trees
Bill Cosby, Ricky Gervais, Taio Cruz
Michael Douglas, Charles Barkley, Joe Nichols
Eddie Murphy, Carrie Ann Inaba, Bruno Tonioli, Damian Marley with Nas
Chelsea Handler, Chris Matthews, Sarah McLachlan
Kiefer Sutherland, Mary Lynn Rajskub, Adam Lambert
Russell Brand, David Gregory, Bettye Lavette
Bret Michaels, Jane Krakowski, John Butler Trio
Kathy Griffin, Paula Deen, Hanson
Katherine Heigl, Matthew Morrison, Allison Moorer
Colin Farrell, Elisabeth Moss, Kevin Eubanks
Mickey Rourke, Ashley Graham, Kevin Meaney
Jennifer Lopez, Donald Glover, Natalie Merchant
Ed Helms, Pamela Anderson, Snoop Dog
Eddie Murphy, Mary Lynn Rajskub, Nas and Damian Marley
Howie Mandel, Jillian Michaels, Hole
Chris Rock, Nicole "Snooki" Polizzi, Sting
Adam Sandler, Rachel Maddow, OK Go
Denis Leary, Judd Apatow, Alanis Morissette
Tim Allen, Against Me!
Josh Brolin, Ashley Greene, Cee-Lo
Robert Pattinson, Emma Roberts, Travie McCoy
Lauren Graham, Rob Schneider, Matisyahu
Jonah Hill, Quinton "Rampage" Jackson, Punch Brothers
David Spade, Dan Riskin, Kelis
Dakota Fanning, Daniel Tosh, Crystal Bowersox
Queen Latifah, Mike "The Situation" Sorrentino, Robert Randolph
Jeremy Piven, Louis C.K., Drake
Tom Cruise, Bryce Dallas Howard, Sharon Jones & the Dap-Kings
Cameron Diaz, Dan Riskin, Lee DeWyze
Jason Segel, Jenni "JWoww" Farley, Enrique Iglesias
Dave Salmoni, John C. Reilly, Big Boi
Steve Carell, Jane Lynch, Michael Palascak
Adrien Brody, Chris Isaak
Seth Meyers, Jonathan Hillstrand & Josh Harris, Tracy Bonham
Jennifer Love Hewitt, Jay Baruchel, Nikki & Rich
Tracy Morgan, Drew Brees, Flo Rida
Ellen Page, Austin "Chumlee" Russell & Corey Harrison, Grace Potter & the Nocturnals
Craig Kilborn, Stephen Moyer, the Swell Season
Don Rickles, Dwyane Wade, KISS
Zac Efron, Lior Suchard, the Black Keys
Chelsea Handler, Matt Bomer, Metric
Jack Rebney & Ben Steinbauer
Rachel Weisz, Tony Robbins, Gaslight Anthem
Bill O'Reilly, Adam Shankman, Lyle Lovett
Piers Morgan, Joey King, Jaron and the Long Road to Love
Eva Mendes, Isiah Mustafa, Robert Cray
Jennifer Aniston, Jason Schwartzman, Stone Temple Pilots
Gabourey Sidibe, Jakub Vagner, Mike Vecchione
Sylvester Stallone, Criss Angel, Maronzio Vance
Betty White, Sam Trammell, Black Crowes
Gordon Ramsay, Sofia Vergara, K'naan
Mickey Rourke, Seth MacFarlane, Plain White T's
Emma Thompson, comics from "Chelsea Lately", Taio Cruz
Howie Mandel, Aubrey Plaza, Mike Posner
Anna Kendrick, Eli Roth, Robert Francis
Jason Statham, 92-year-old car lady Rachel Veitch, Los Lobos
Javier Bardem, Paul Watson, Peter Bethune, the Whigs
Justin Long, Alejandro Escovedo
Jason Segel, Jenni J-Wow Farley, Enrique Iglesias
Jennifer Aniston, Jason Schwartzman, Christina Perri
Gordon Ramsay, Sofia Vergara, K'Naan
Wanda Sykes, Ben Steinbauer, Jack Rebney, 3OH!3
Don Johnson, Whitney Cummings, Cyndi Lauper & Jonny Lang
Kim Kardashian, Rep. Barney Frank, Norah Jones
Thomas Haden Church, Jules Sylvester, Goo Goo Dolls
Al Michaels, Cris Collinsworth, Steve Buscemi, Herbie Hancock, Susan Tedeschi & Derek Trucks
Louis C.K., Sara Bareilles
Carey Mulligan, Meghan McCain, Mavis Staples
Chelsea Handler, Ken Jeong, Ray LaMontagne
Katie Couric, Kurt Warner, David Gray
Hugh Laurie, Emma Stone, Sarah McLachlan
Bill Maher, Kristen Bell, Brandon Flowers
Jamie Lee Curtis, Mike "The Situation" Sorrentino, Trace Adkins
Ben Affleck, Julie Bowen, Weezer
Kate Walsh, Jason Ritter, Santana & India.Arie
Joel McHale, Arianna Huffington, Dov Davidoff
Justin Timberlake, Jane Lynch, OK Go
Ed Helms, Casey Affleck, Sheryl Crow
Ryan Reynolds, Betty White, Tommy Lee
Jimmy Smits, Jackie Evancho, Brian Wilson
Dwyane Wade, Zachary Levi, Gloria Gaynor
Lauren Graham, Vanilla Ice, Zac Brown Band
Patrick Dempsey, Mindy Kaling, Train
Diane Lane, Julie Scardina, Seal
Morgan Freeman, Eric Stonestreet, Rodrigo y Gabriela
Meredith Vieira, Seth MacFarlane, Kenny Chesney
Will Arnett, Dot Marie Jones, a performance from Broadway's "Rock of Ages"
Terrence Howard, Jillian Michaels, K.T. Tunstall
Shaun White, Florence Henderson, Toby Keith
Katherine Heigl, Ben Rappaport, Meat Loaf
Terry Bradshaw, "Potato Lady" Doretta Cannon, OneRepublic
Jay Mohr, Pauly D, Travie McCoy
Heidi Klum, Ty Burrell, Johnny Mathis
Harrison Ford, Whitney Cummings, Gogol Bordello
Wanda Sykes, Rick Fox, Pete Yorn
Eva Longoria Parker, Josh Duhamel, John Legend
Matt Lauer, Martha Stewart, Lauren Pritchard
Robert Downey Jr., Paula Deen, Jamey Johnson
Robin Williams, Judd Apatow, Kylie Minogue
Denzel Washington, Reed Timmer, Corinne Bailey Rae
Rainn Wilson, Margaret Sparkman, Jimmy Eat World
Janet Jackson, Jesse Tyler Ferguson, Duffy
James Franco, Meghan McCain, Far East Movement
Anne Hathaway, San Francisco Giant Brian Wilson, Aaron Neville
Terry Bradshaw, Jennifer Grey, Jason Aldean
Arnold Schwarzenegger, David Baker, N.E.R.D.
Dave Salmoni, Chris Pine, Lee DeWyze
David Spade, Christine O'Donnell, Old 97's
Kim Kardashian, Dennis Miller, Soulja Boy
Diane Keaton, Kevin McHale, Switchfoot
Russell Crowe, Anna Torv, Annie Lennox
Julianne Moore, Tom Felton, Nelly
Christina Aguilera, Buddy Valastro
George W. Bush, Jewel
Garth Brooks, Mike "The Situation" Sorrentino
Dane Cook, Taylor Swift, Keri Hilson
Dwayne Johnson, Kevin Eubanks
Cher, Jeremy Renner, Robyn
Elizabeth Banks, Marjorie Johnson, Carrot Top
Bill Cosby, Atticus Shaffer, Keyshia Cole
Chelsea Handler, Kellan Lutz, Rod Stewart
Mitt Romney, Jay Mohr, Darius Rucker
Jane Fonda, Ian Somerhalder, Paul Reiser & Julia Fordham
Louis C.K., Aron Ralston, Josh Turner
Russell Brand, Chris Colfer, Jonny Lang with Chris Layton, Brad Whitford & Billy Cox
Helen Mirren, Aaron Eckhart, Keith Urban
Jeff Bridges, Rico Rodriguez
Halle Berry, Billy Gardell, Natasha Bedingfield
Matthew Morrison, Crystal Bowersox
Mark Wahlberg, Olivia Wilde, Good Charlotte
Jack Black, Michael Buble
Emily Blunt, Keith Fitzhugh, Jackie Evancho
Jason Segel, Adam Ferrara, Tanner Foust & Rutledge Wood, Katharine McPhee
Owen Wilson, Elle Fanning, Lyle Lovett with Kat Edonson
Larry King, Garrett Hedlund, Pink Martini
Emma Stone, Marjorie Johnson, Sharon Jones & the Dap-Kings
Javier Bardem, Jarod Miller, Naturally 7 with the Agape International Choir
Zachary Levi, Whitney Cummings, BeBe & CeCe Winans with Mary Mary and the West Angeles Choir
Mark Wahlberg, Lachlan Patterson, James Blunt
