Julianne Moore, Aries Spears, Godsmack
David Duchovny, Greg Behrendt, OK Go
Kiefer Sutherland, Joely Fisher, Ben Harper
Alan Alda, Sophia Bush, Citizen Cope
Zach Braff, Artie Lange, John Mayer
Ashton Kutcher, Tracy Morgan, John Mayer
Dwayne "The Rock" Johnson, Al Franken, air guitar expert Björn Türoque
Matthew Perry, Xzibit, The Rapture
Gisele Bundchen, Jim Cramer, Madeleine Peyroux
Johnny Knoxville, Caroline Rhea, Bonnie "Prince" Billy
Bob Newhart, Elle Macpherson, Jimmy Carr
Jennifer Love Hewitt, John Krasinski, Ben Kweller
Jason Lee, Bridget Moynahan, Chingy
Marcia Cross, David Gregory, Sam Moore
Christopher Walken, Michael Clarke Duncan, Scissor Sisters
Billy Bob Thornton, Mr. T, The Wreckers
John Stamos, Amy Poehler, Nigella Lawson
Bob Costas, David Cross, Phoenix
Dennis Miller, Rachael Ray, Evanescence
Martin Scorsese, Harland Williams, The Decemberists
Brian Williams, Scott Wolf, Larry Miller
Jaime Pressly, Jerome Bettis, Jerry Lee Lewis
Alex Trebek, Yunjin Kim, Barenaked Ladies
John Lithgow, Lewis Black, Gomez
Alec Baldwin, John Cena, Demetri Martin
Sarah Michelle Gellar, Bob Saget, Robert Randolph & The Family Band
Helen Mirren, Jim Gaffigan, Basement Jaxx
Jason Schwartzman, Arielle Kebbel, Jenny Lewis
Regis Philbin, Alessandra Ambrosio, Dierks Bentley
Tina Fey, Steven Wright, Barbara Stewart
Kirsten Dunst, Harry Shearer, Corinne Bailey Rae
Nathan Lane, Jason Sudeikis, Ben Folds
Diddy, Joe Buck, Frank Black
Charles Barkley, Kristin Chenoweth, Cat Power
The Skeleton Show
Borat, Jack McBrayer, Mastodon
John Leguizamo, Arden Myrin, Los Abandoned
Darrell Hammond, Jesse Bradford, Prof. Kevin Warwick
Russell Crowe, Jorge Garcia, Dean Karnazes
Will Ferrell, Tom Everett Scott, Death Cab For Cutie
Howie Mandel, James Lipton, Mat Kearney
Meredith Vieira, Greg Grunberg, Old Crow Medicine Show
Barbara Walters, Dax Shepard, Los Lobos
Robin Williams, Christian Slater, Panic! At The Disco
Jack Black & Kyle Gass, Joshua Jackson, Tenacious D
Elijah Wood, Jon Lovitz, Jud Hale
Martin Short, Flavor Flav, Damien Rice
Rachel Weisz, Masi Oka, Army of Anyone
James Spader, Amy Sedaris, Robyn Hitchcock
Will Arnett, Alyson Hannigan, Billy Talent
Ethan Hawke, Jim Gaffigan, The Brand New Heavies
Hugh Jackman, Tiki Barber, Mike Birbiglia
Matthew Broderick, Lisa Edelstein, Jet
Jude Law, Kristen Wiig, The Brian Setzer Orchestra
Martha Stewart, Brian Posehn, My Morning Jacket
Lucy Liu, Tillie the Canine Artist
Tom Brokaw, Ed Helms, Sarah McLachlan
Jennifer Connelly, Jason Segel, Joan Jett and the Blackhearts
Kevin Nealon, Angela Kinsey, Deftones
Rob Lowe, Rashida Jones, Drake Bell
Julianna Margulies, Aries Spears, Mike Lupica
Chazz Palminteri, Seth Meyers, TV On The Radio
Cameron Diaz, Dennis Haysbert, Dashboard Confessional
Ricky Gervais, Steven R. Schirripa, The Matt Savage Trio
Jeremy Irons, Terry Crews, Aimee Mann
Howard Stern, Jim Gaffigan
Sylvester Stallone, Carla Gugino, Matt Mays & El Torpedo
Patricia Heaton, Jason Ritter, Tony Bennett
Ben Stiller, Ving Rhames, Joshua Bell
Andy Samberg, Stuart Scott, Sean Lennon
Ewan McGregor, Manny Puig, Jordana Spiro
Carson Daly, Michelle Trachtenberg, Nellie McKay
LL Cool J, Abigail Breslin, Gov't Mule
Placido Domingo, Patton Oswalt, moe.
Jarod Miller, Dulé Hill, Louis C.K.
Cedric the Entertainer, Orlando Jones, John Pizzarelli
Matt Lauer, America Ferrera, Little Big Town
Donald Trump, Meagan Good, Ron Sexsmith
David Arquette, Lonny Ross, Chuck "The Iceman" Liddell
Hilary Swank, Artie Lange, The Black Keys
Kiefer Sutherland, Jill Hennessy, Gym Class Heroes
Tracy Morgan, Jim Gaffigan, Sparta
Brian Williams, Dominic Purcell, Dana Gould
Megan Mullally, Colin Hanks, Annuals
Liam Neeson, Ali Larter, Brand New
Brad Garrett, Sarah Silverman, Peter Bjorn And John
Kristin Davis, Bob Saget, Paolo Nutini
Sienna Miller, Goran Visnjic, Paul Weller
Serena Williams, Donal Logue, Kevin Brennan
Charlize Theron, Bill Hader, Stars of Track and Field
Kristin Chenoweth, Mindy Kaling, The Slip
Dr. Phil McGraw, Emily Deschanel, Calexico
Cuba Gooding Jr., Joy Behar, Jonathan Katz
Bob Costas, Ashley Tisdale, Josh Groban
Dylan McDermott, Michael Urie, Lamb of God
Martin Lawrence, Hayden Panettiere, Hinder
Eva Longoria, Fred Willard, Lily Allen
Drew Barrymore, Marc Maron, The Apples in Stereo
Nicolas Cage, Natalie Morales, John Mulaney
Christina Ricci, Alan Cumming, Joshua Radin
Sen. Chuck Schumer, Tracee Ellis Ross, The Holmes Brothers
Heather Graham, Lewis Black, Explosions in the Sky
Jim Carrey, Al Roker, Jonny Lives!
Jimmy Fallon, Keith Olbermann, Steven Kaplan
Billy Bob Thornton, J. Alexander, G. Love
Jim Gaffigan, Liev Schrieber, Solomon Burke
Jake Gyllenhaal, Lance Armstrong, Bayside
Larry King, Izabel Goulart, 'Biscuit Lady' Carol Fay
Anderson Cooper, Rob Corddry, Son Volt
Ted Koppel, Tom Cavanagh, Relient K
David Hyde Pierce, Kate Mara, Dr. Dog
Chris Rock, Christopher Meloni, Mary Weiss with The Reigning Sound
Andy Richter, Len Berman, The Shins
Julia Louis-Dreyfus, Harland Williams, Neil deGrasse Tyson
Jeff Goldblum, Ivanka Trump, Pete Yorn
Tom Arnold, Rainn Wilson, Jesse Malin
Bernie Mac, Chris Hansen, Daughtry
Don Cheadle, Neil Patrick Harris, Shane Mauss
Adam Sandler, Sarah Thyre, Lindsey Buckingham
Liv Tyler, Gerard Butler, The Fratellis
Quentin Tarantino, Jesse L. Martin, Brian Kiley
Rosario Dawson, Jason Sudeikis, Martina McBride
Ice Cube, B.J. Novak, Clap Your Hands Say Yeah
Diddy, David Gregory, Kaiser Chiefs
Michael Imperioli, Jim Cramer, Albert Hammond, Jr.
Jeff Daniels, Zoë Bell, The Alternate Routes
Martin Short, Cheryl Hines, Cold War Kids
Tina Fey, Kevin Pollack, Mystery
Molly Shannon, Tiki Barber, Of Montreal
Ray Liotta, Mary Lynn Rajskub, Joseph Arthur
Martha Stewart, Rob Huebel, Ian Edwards
Darrell Hammond, Andrew W.K., Blue October
Tyra Banks, Masi Oka, Brandi Carlile
Garry Shandling, Adam Brody, Ricky Skaggs & Bruce Hornsby
Dana Carvey, Jasper Redd, Arctic Monkeys
George Lucas, Will Arnett, Chris Isaak
Robin Williams, The Glide Ensemble
Randy Jackson, Patton Oswalt, Frisbee Golf National Champion David Feldberg, Bob Weir & RatDog
Snoop Dogg, Tom Waits
Amanda Peet, Morgan Spurlock, Secondhand Serenade
Zach Braff, D. J. Qualls, Jimmy Carr
Howie Mandel, Criss Angel, Patrick Wolf
Lindsay Lohan, Larry the Cable Guy, Stephen Marley featuring Damien
Antonio Banderas, Sarah Chalke, The Avett Brothers
William Shatner, Eric Dane, mtvU's Best Music on Campus Winner
Tom Selleck, John Stamos, Dan Mintz
Rebecca Romijn, Donald Faison, Silversun Pickups
Amy Poehler, Dave Annable, M. Ward
Luke Wilson, Oscar Nuñez, Blonde Redhead
Dominic Monaghan, Chris 'Ludacris' Bridges, Rickie Lee Jones
Amy Sedaris, Lester Holt, Loudon Wainwright III
America Ferrera, Eddie Izzard, Mark 'Dr. Bugs' Moffett
Mike Myers, Seth Rogen, The Academy Is...
Dane Cook, 'Dancing With the Stars' winner Apolo Anton Ohno, Mando Diao
Paul Rudd, Elisha Cuthbert, Kings of Leon
Brian Williams, Leslie Mann, Los Straitjackets with Big Sandy
Debra Messing, Marc Maron, Nelly Furtado
Marg Helgenberger, Steven R. Schirripa, John Mulaney
Nicole Richie, Billy Connolly, Crowded House
Seth Green, Eli Roth, EL-P
Tim Russert, Ginnifer Goodwin, Feist
Kevin Dillon, Jim Cramer, Patty Griffin
Kyra Sedgwick, John Cena, Andrew Bird
Jessica Alba, Bear Grylls, Paul F. Tompkins
Tea Leoni, Tyrese Gibson, The White Stripes
Steve Carell, Jennifer Esposito, Flight of the Conchords
Wanda Sykes, Nick Offerman, illusionist Hans Klok with Pamela Anderson
John Krasinski, Louis CK, The Mooney Suzuki
Lauren Graham, Steve Zahn, Rooney
Jarod Miller, Jason Priestley, Dan Naturman
Denis Leary, Mark Consuelos, Against Me!
Daniel Radcliffe, Carlos Mencia, Art Brut
Emma Watson, Patton Oswalt, Mark Ronson
Jason Sudeikis, Janeane Garofalo, They Might Be Giants
Christopher Walken, Tim Meadows, Nick Lowe
Jessica Biel, Artie Lange, The Cribs
Adam Sandler, Vera Farmiga, Pegi Young
Queen Latifah, Matt Groening, Fountains of Wayne
Kevin James, Jordana Spiro, Greg Giraldo
John Leguizamo, James Blake, Marc Broussard
Andy Samberg, Harry Shearer, Tegan & Sara
Seth Rogen, Ann Curry, wine expert Gary Vaynerchuk
Anne Hathaway, Harland Williams, Mavis Staples
Jackie Chan, Simon Pegg, Just Jack
Chris Tucker, Tori Spelling, Shiny Toy Guns
Glenn Close, Michael Cera, Modest Mouse
Claire Danes, Jonah Hill, Teddy Thompson
Cuba Gooding, Jr., Jackie Hoffman, Bruce Perry
Amanda Bynes, Judd Apatow, Straylight Run
Bob Saget, Maggie Q, Shane Mauss
Jeff Goldblum, Devon Aoki, Okkervil River
Kelly Preston, Ryan Reynolds, Ozomatli
Kevin Bacon, Will Forte, Eisley
Scarlett Johansson, Kevin Nealon, Locksley
