Owen Wilson, Julie Scardina, Natalie Cole

Robin Williams, Freida Pinto, Johnny Mathis

James Franco, Doris Kearns Goodwin, Melissa Etheridge

Adam Sandler, Zooey Deschanel, Los Lonely Boys

Scarlett Johansson, Kenneth Branaugh, Staind

Jim Carrey, Rosario Dawson, Relient K

Kate Winslet, Dame Edna, Sheryl Crow

Jamie Foxx, David Gregory

Tom Cruise, Frank Caliendo, The Cure

Wanda Sykes, Michael Phelps, Lyle Lovett

Kate Beckinsale, Sean "Diddy" Combs, Sara Bareilles & Ingrid Michaelson

Will Smith, Paula Deen, k.d. lang

Cate Blanchett, Tim Reid & Tom Dreesen, Taylor Swift

Brian Williams, Kirk Fox, Common

Heather Locklear, Christiane Amanpour, Tom Jones

Kathy Griffin, David Frost, Colbie Caillat

Debra Messing, Cody Willard, Celine Dion

Heidi Klum, Robert Pattinson, Seal

Josh Brolin, Chelsea Handler, The Killers

Ron Howard, Jonas Brothers

Jay Mohr, Marjorie Johnson, Scott Weiland

Hugh Jackman, Tenacious D

Bill Maher, Kristin Chenoweth, Nickelback

Larry the Cable Guy, Chris Matthews, Adele

Kiefer Sutherland, Lisa Lampanelli, Barry Manilow

Miley Cyrus, Jason Statham, David Cook

Anderson Cooper, Steve Byrne, Sarah McLachlan

Steve Carell, Joel Levinson, Gym Class Heroes

Sen. John McCain, Steve Byrne, Kaiser Chiefs

Martha Stewart, John Stamos, Dido

Joy Behar, Lance Bass, TV On The Radio

Julia Louis-Dreyfus, Jimmie Johnson, David Archuleta

Samuel L. Jackson, Tony Durant, Tracy Chapman

Animals with Julie Scardina, Kate Walsh, Sugarland

Elizabeth Banks, Jack McBrayer, Death Cab For Cutie

Christina Applegate, Frank Caliendo, Fall Out Boy

Sarah Silverman, Rove McManus, The Kooks

Seth Rogen, David Gregory, Cold War Kids

Michelle Obama, Chris Rock, Darius Rucker

Daniel Craig, Kevin Smith, Black Kids

Sen. Joe Biden, Colin Farrell, Lenka

Drew Barrymore, Zac Efron, Kenny Chesney

Dakota Fanning, Christopher Meloni, Loni Love

Selma Blair, Katt Williams, Amy Lee

Terry Bradshaw, Vanessa Hudgens, Jackson Browne

Mark Wahlberg, Rachel Maddow, Rachael Yamagata

Dana Carvey, Zack Hample, Marc Broussard

Bill Maher, Jim Norton, James Taylor

Gerard Butler, Natasha Leggero, Katy Perry

Molly Shannon, Warren Sapp, T.I.

Dennis Miller, Boo Weekley, Jack's Mannequin

Greg Kinnear, Mindy Kaling, Nikka Costa

Ellen DeGeneres, Robert Wagner, Jazmine Sullivan

Russell Crowe, Chelsea Handler, Lang Lang

Jimmy Kimmel, Jennifer Hudson

Jay Mohr, Cloris Leachman, The Hives

Dr. Phil McGraw, Kevin Farley, Plain White T's

Wanda Sykes, Zachary Levi, Glen Campbell

Charlize Theron, Little Britain, My Morning Jacket

Brooke Shields, Dolly Parton

Dane Cook, Kristen Bell, Hawthorne Heights

Ed Harris, Meghan McCain, George Clinton & The Gangsters Of The Love All-Stars

Shia LaBeouf, Beau Biden, Nelly

Kate Hudson, Michael C. Hall, Eric Hutchinson

Hugh Laurie, Dame Edna, Raphael Saadiq

Jamie Lee Curtis, Jerome Bettis, Alejandro Escovedo

Matthew McConaughey, T. Boone Pickens, Al Green

Jules Sylvester, Annette Bening, Leona Lewis

Michael Phelps, J.B. Smoove, Kardinal Offishall feat. Akon

Eva Mendes, Chris Matthews, Shinedown

Howie Mandel, Sanya Richards, The Game

Billy Bob Thornton, Ethan Bortnick, Brian Wilson

Russell Brand, Eva Longoria Parker, Ingrid Michaelson

Arsenio Hall, Shawn Johnson, Chuck Berry

Gordon Ramsay, Natalie Coughlin, Missy Higgins

Bill Maher, Henry Cejudo, Low vs Diamond

Norm MacDonald, Nastia Liukin, B.B. King

Sen. John McCain, Dara Torres, Juliana Hatfield

Scarlett Johansson, Luke Ford, Chris Cornell

Nick Nolte, Carrot Top, Solomon Burke

Jack Black, Pillsbury Bake-Off-Champ Carolyn Gurtz, Conor Oberst

Robert Downey Jr., Anna Faris, Toby Keith

Ben Stiller, Jonas Brothers

Bill Cosby, Emma Stone, John Mellencamp with T Bone Burnett

Rosie Perez, Robin Thicke

Rainn Wilson, Emeril Lagasse, Sergio Mendes featuring Ledisi

Seth Rogen, Joan Allen, Third Day

Julie Scardina, Brendan Fraser, Gnarls Barkley

Kevin Spacey, Triumph the Insult Comic Dog, Jesse McCartney

Kelsey Grammer, Hugh Rowland & Drew Sherwood, Gavin McGraw

Kevin Costner, D.L. Hughley, The Time

Gillian Anderson, Dave Attell, The Duke Spirit

Kyra Sedgwick, Chris Matthews, Alanis Morissette

Tim Allen, Demi Lovato, OneRepublic

David Spade, Jordana Spiro, Coldplay

John C. Reilly, Venus Williams, Gavin Rossdale

David Duchovny, Olympic shot putter Reese Hoffa, Jakob Dylan

Will Ferrell, Mary McCormack, James Hunter

Michael Caine, Elizabeth Banks, Ludo

Kathy Griffin, Adam Carolla, Willie Nelson & Wynton Marsalis

Animal Expert Jarod Miller, David Koechner, Sara Bareilles

Aaron Eckhart, Dara Torres, Los Lonely Boys

Selma Blair, Kevin Nealon, Steve Tyrell

Bette Midler, Al Roker

Wanda Sykes, James McAvoy, Duffy

Dwayne "The Rock" Johnson, Tom Papa, Against Me!

Don Rickles, Charles Barkley, Kenny Smith & Ernie Johnson, Jewel

Anne Hathaway, Gabriel Iglesias, Amos Lee

Larry the Cable Guy, Bob Costas, Ashanti

Mike Myers, Abigail Breslin, David Cook

Dana Carvey, Spencer Breslin, Priscilla Ahn

Justin Timberlake, Karen Allen, Sheryl Crow

Russel Brand, Bill Engvall, Aimee Mann

Will Smith, Pete Sampras, Ed Harcourt

Dustin Hoffman, Gordon Ramsay, Flobots

Jeff Foxworthy, Arianna Huffington, N.E.R.D.

Liv Tyler, Judd Apatow, Usher

William Shatner, Chelsea Handler, Newton Faulkner

Terry Bradshaw, Turkey Baster Virtuoso Ray Sanders, Colbie Caillat

Laura & Jenna Bush, David Cook, Tristan Prettyman

Adam Sandler, Hilary Duff, Al Green

Sylvester Stallone, Irma & Ray Ziff, Jason Mraz

Simon Cowell, Rob Schneider, Josh Groban

Matthew Fox, Kathleen Edwards

Dana Delany, Adam Carolla, Dwight Yoakam

Rainn Wilson, Howard Dean, Kate Nash

Evangeline Lilly, Ben Barnes, Switchfoot

Jack Black, Clay Aiken

Harrison Ford, William Moseley, Carly Simon

Jenna Fischer, Robert Schimmel, Trace Adkins

Former President Jimmy Carter, Jon Favreau, P.O.D.

Julie Scardina and animals, Christina Ricci, KT Tunstall

Robert Downey Jr., Carlos Mencia, Rascal Flatts

Sally Field, Jesse Ventura, Sleepercar

Robin Williams, Terrence Howard, Serj Tankian

Cindy McCain, Ed Helms, Augustana

Dr. Phil McGraw, the Lopez family, Natasha Bedingfield

Helen Hunt, Gov. Bobby Jindal, Duffy

Hugh Laurie, Doug Fine, Prince

Gov. Arnold Schwarzenegger, Marilu Henner, Old 97's

Patrick Dempsey, Ed Begley Jr., Tegan and Sara

Julia Louis-Dreyfus, Jason Segel, Goldfrapp

Dave Salmoni, Norm MacDonald, Ashlee Simpson

Tracey Ullman, Jason Taylor, Flogging Molly

Ewan McGregor, John Cho & Kal Penn, Seether

Charles Barkley, The Young@Heart Chorus

Brad Garrett, John Melendez, Ingrid Michaelson

Mark Harmon, Corbin Maxey, Ray J

William Shatner, Tricia Helfer, Ryan Bingham

Keanu Reeves, Chelsea Handler, The Redwalls

Ellen Page, Donny & Marie Osmond, Angie Stone

Dennis Quaid, Russell Brand, P.O.D.

Thomas Hayden Church, Sig & Edgar Hansen, Jimmy Eat World

David Spade, Nora Hardwick, Ben Lee

Sen. Hillary Clinton, Patton Oswalt, Ferras

Steve Carell, Kathie Lee Gifford, Ani DiFranco

David Beckham, Sherri Shepherd, The B-52's

Jodie Foster, Cedric the Entertainer, Lili Haydn

John Larroquette, Kid Inventors, k.d. lang

Conan O'Brien, Anderson Cooper, Allison Moorer

John Krasinski, Joe Torre, José González

Abigail Breslin, Seth Meyers, Steve Earle

Peter O'Toole, Katt Williams, Leona Lewis

Adam Carolla, Geraldo Rivera, The Black Crowes

John Edwards, Leslie Mann, Nada Surf

Ryan Phillippe, Lisa Lampanelli, Jim Lauderdale

Terry Bradshaw, James Carville & Mary Matalin, Michael McDonald

Kate Beckinsale, Carlos Mencia, The Bravery

Naomi Watts, Christian Siriano, Gavin DeGraw

Howie Mandel, Minnie Driver

Bill Cosby, Novak Djokovic, Landon Pigg

America Ferrera, Bob Saget, The Blind Boys of Alabama

Dominic Monaghan, Ethan Bortnick, Sheryl Crow

Dave Salmoni and Animals, Patricia Arquette, The Punch Brothers

Wanda Sykes, Bryan Cranston, Cat Power

Billy Ray Cyrus, Miley Cyrus, Brooke Shields

Dennis Quaid, David Koechner, Lupe Fiasco

Eric Bana, Catherine O'Hara, Tift Merritt

Colin Farrell, Bill O'Reilly, Herbie Hancock

Heidi Klum, James McAvoy, John Fogerty

Garth Brooks, Christina Ricci

Will Ferrell, Hayden Christensen, The Hives

Reese Witherspoon, Alex Cambert, Gary Allan

Kristen Chenoweth, Russell Peters, Lifehouse

Russell Crowe, Larry the Cable Guy, Willie Nelson

Joan Embery and Animals, Larry the Cable Guy, Mika

Larry the Cable Guy, Bruno Tonioli, Glen Hansard & Markéta Irglová

Larry the Cable Guy, Bobby Knight, Andrea Bocelli

Brian Williams, Ahmed Ahmed, Enrique Iglesias

Arsenio Hall, Paula Deen, James Blunt

Frank Caliendo, Chimp Rescuer Eugene Cussons, Flo Rida

Insects with Brent Karner, Stephen Baldwin, J. Holiday

Dan Rather, Mike Rowe, Josh Kelley

Tom Brokaw, Terrell Owens, Graham Colton

Sen. John McCain, Rudy Giuliani, Shelby Lynne

Animals with Dave Salmoni, Tom Green, Maroon 5

Lester Holt, Blue Ribbon Baker Marjorie Johnson, Raheem DeVaughn

Chazz Palminteri, Alison Sweeney, Dierks Bentley

Hulk Hogan, Mad Scientist David Willey, Natasha Bedingfield

Animals With Julie Scardina, Chelsea Handler, Buckcherry

Adam Carolla, Richard Roeper, Shooter Jennings

David Gregory, Performing Birds, Puddle Of Mudd

Simon Cowell & Ryan Seacrest, Tavis Smiley, Shaggy

Mitt Romney, Ryan Sheckler, Jonas Brothers

D.L. Hughley, Joe Ligotti, Sara Bareilles

Chris Matthews, John Roy, Jill Scott

Bill Maher, Carrie Ann Inaba & Bruno Tonioli, Taylor Swift

Marilu Henner, Brady Barr, Jordan Sparks

Arsenio Hall, Melanie Metz & Peggy Willenberg, Seether

Jimmy Kimmel, Elon Gold, OneRepublic

Jules Sylvester and animals, Maria Bartiromo, Finger Eleven

Pamela Anderson, Mary J. Blige

Ron Paul, Christopher Titus, Shakira

Animals With Jarod Miller, John Caparulo, Blake Lewis

Howie Mandel, Jason Lewis, Joe Nichols

Gov. Mike Huckabee, Emeril Lagasse, Chingy