Dustin Hoffman, Abigail Breslin, African Children's Choir

Matthew McConaughey, Opie and Anthony, The Killers

Will Smith, Pamela Anderson, Richard Roeper, The Blind Boys of Alabama

Robert De Niro, Jennifer Hudson

Samuel L. Jackson, Nick Thune, Scott Weiland

Tobey Maguire, spider expert Jules Sylvester, Sarah McLachlan

Leonardo DiCaprio, Naomi Watts, The Goo Goo Dolls

Dakota Fanning, Aaron Eckhart, Twisted Sister

Jamie Foxx, Brad Paisley

Former President Jimmy Carter, Edward Norton, Panic! At the Disco

Sylvester Stallone, Parminder Nagra, Seal

Mel Gibson, Bil Dwyer, Ludacris

Jack Black, Chef G. Garvin, Paulina Rubio

Dennis Miller, LaDainian Tomlinson, K.T. Tunstall

Cate Blanchett, Larry the Cable Guy, Corinne Bailey Rae

Sen. Barack Obama, Maggie Gyllenhaal, Taylor Hicks

Morgan Freeman, Josh Duhamel, Barenaked Ladies

Al Gore, Karolina Kurkova, Fantasia

Lucy Liu, Bob Saget, Snoop Dogg

Cameron Diaz, Gwyn Mackenzie, The Wreckers

Kristin Davis, Ralphie May

Howie Mandel, Nelly Furtado

Amazing Animals With Julie Scardina, Ellen Pompeo, Nelly Furtado

Denzel Washington, Catherine O'Hara, Jerry Lee Lewis with Kid Rock

Demi Moore, Ron Livingston, Chris Cornell

Kate Winslet, Wilmer Valderrama, Buddy Guy

Emilio Estevez, D.L. Hughley, Josh Groban

Jaime Pressly, Adventurer Bear Grylls, Cirque du Soleil: The Beatles - LOVE

Rachel Weisz, Nick Cannon, Il Divo

Sharon Stone, Patricia Arquette, Vince Gill

Lindsay Lohan, Emmitt Smith, Army Of Anyone

Borat, Martha Stewart, Damian Rice

Ellen DeGeneres, Fred Willard, Tony Bennett

Courtney Love, Brad Garrett, OK Go

Hugh Laurie, America Ferrara, the Cheetah Girls

Russell Crowe, Rachael Ray, Kellie Pickler

Penelope Cruz, John Stamos, "Weird Al" Yankovic

Emma Thompson, Spencer Breslin, Regina Spektor

Roseanne Barr, Sharon Osbourne, Marilyn Manson

Tim Allen, 8-year-old opera singer Gwyn Mackenzie, Carrie Underwood

John Landis & The Spiridellis Brothers, JoJo

Sally Field, Bug Man Ruud Kleinpaste, Kevin Federline

Annette Bening, Mad Scientist David Willey, Sarah McLachlan

Jennifer Love Hewitt, Tim Burton, Barry Manilow

Hugh Jackman, Tim McGraw

David Gregory, Ali Larter, Edie Brickell & The New Bohemians

Sandra Bullock, Michael Caine, Chris Young

Arnold Schwarzenegger, Heidi Klum, Le Rêve

Tiger Woods, Emeril Lagasse, Chingy

Tina Fey, Annika Sorenstam, Fergie

Jarod Miller, Bradley Whitford, Ray LaMontagne

Bob Newhart, Kristin Chenoweth, Camp Freddy

Michael Clarke Duncan, Lisa Lampanelli, Rod Stewart

Helen Mirren, B.J. Novak, Jet

Wanda Sykes, Chris Matthews, John Mayer

Jessica Simpson, Bill O'Reilly, Snow Patrol

Ashton Kutcher, Jenna Fischer, Amos Lee

Evangeline Lilly, Magic Johnson, Diana Krall

Adrien Brody, Chef G. Garvin, Alan Jackson

Eva Longoria, Cole and Dylan Sprouse, Death Cab for Cutie

Calista Flockhart, Harland Williams, Gomez

Teri Hatcher, Jon Heder, Kenny Chesney

Steve Carell, Jamie Lee Curtis, Joan Jett

Justin Timberlake, Sarah Silverman

Jason Lee, Elton John

Howie Mandel, Clay Aiken

Julia Louis-Dreyfus, Jude Law, Bob Seger & The Silver Bullet Band

Matthew Perry, Daryl Peebles, OutKast

Billy Bob Thornton, Diane Lane, Lionel Richie

James Woods, Charlie Rose, Daniel Rodriguez

Megan Mullally, Betty Horton, Sam Bush with Emmylou Harris

Jessica Simpson, D.L. Hughley, The Roots

Ben Affleck, James Carville, Dwight Yoakam

Scarlett Johansson, Greg Behrendt, Toby Keith

Brooke Shields, Jerome Bettis, Foo Fightersr

Ellen DeGeneres, Richard Engel, We Are Family

Jeff Foxworthy, Leelee Sobieski, Pete Yorn

Orlando Bloom, Carrot Top, Starsailor

David Spade, Eva Mendes, Zero 7 with Jose Gonzalez

David Duchovny, Donovan Frankenreiter, Jeff Corwin & animals

Kevin Nealon, Kristen Bell, Panic Channel

Mariska Hargitay, Ashley Tisdale, Todd Snider

Bill Maher, Floyd Landis, Stone Sour

Sen. John McCain, Justin Long, Five for Fighting

Michael Clarke Duncan, ANT, 30 Seconds to Mars

Courteney Cox-Arquette, Steve Schirripa, Yung Joc

Dr. Phil McGraw, Aaron Eckhart, Jessica Kirson

Lisa Kudrow, Piers Morgan, Wolfmother

William H. Macy, snake expert Jules Sylvester, Three Days Grace

Abigail Breslin, Tour de France Champion Floyd Landis, Ben Harper

Will Ferrell, Kristen Bell, Everclear

John C. Reilly, Christina Milian, Pharrell

Jaime Pressly, Keith Olbermann, Los Lonely Boys

Kyra Sedgwick, arctic explorers Lonnie Dupree and Eric Larsen, Taking Back Sunday

Tina Fey, Cris Collinsworth & Jerome Bettis

Colin Farrell, Brian Williams, Tom Petty & the Heartbreakers

Wanda Sykes, Kevin Connolly, The Fray

Cuba Gooding Jr., Chris Matthews, Ray Davies

Heidi Klum, Gabriel Iglesias, Seether

David Hasselhoff, Natalie Morales, Morningwood

Rosario Dawson, Cedric the Entertainer, Dashboard Confessional

Matt Dillon, Parker Posey, Smokey Robinson

Owen Wilson, Lance Armstrong, Chris Isaak

Kate Hudson, Kevin Smith, Soul Asylum

Brandon Routh, Kathleen Madigan, Ziggy Marley

Robin Williams, Jesse James, Julie Roberts

Jeremy Piven, Cat Deeley, Corinne Bailey Rae

Pat Riley, Connie Chung, Guster

Kate Bosworth, Damon Wayans, India.Arie

Orlando Bloom, Chamillionaire

Kevin Spacey, Taylor Hicks

Thomas Haden Church, Julie Scardina & Sea World animals, Martina McBride

Regis Philbin, Ringo Starr, young chefs Isabella & Olivia Girasole

Mariah Carey, Daniel Tosh, Keane

Jennifer Love Hewitt, Richard Roeper, Nelly Furtado

Kate Beckinsale, Jim Norton, She Wants Revenge

George Carlin, Ann Coulter, K.T. Tunstall

Jack Black, Car-Parazzi Kids, Hard-Fi

Keanu Reeves, Joey Lauren Adams, Gnarls Barkley

Nicole Richie, Louis C.K., Poison

Al Gore, Maya Rudolph, Rihanna

Adam Sandler, Rosie Perez, John Fogerty

Jeff Foxworthy, Larry the Cable Guy, Bill Engvall, Tim Russert

Jessica Alba, Ludacris, Bruce Springsteen

Dana Carvey, Nicholas Hearon, T.I.

Dane Cook, the winner of "American Idol", The Flaming Lips

Jarod Miller, Famke Janssen, Fort Minor

Garry Shandling, Chris Antes, Def Leppard

Vince Vaughn, Johnny Holiday, The Wreckers

Nicollette Sheridan, Ron White, Michael Bolton

Evangeline Lilly, Alonzo Bodden, The Pussycat Dolls

Jada Pinkett Smith, Larry the Cable Guy, Wicked Wisdom

Ellen DeGeneres, Scott McClellan, The Goo Goo Dolls

Simon Cowell, Johnny Holiday, T-Bone Burnett

Tom Hanks, Emmy Rossum, Hoobastank

Tom Cruise, Michelle Rodriguez

Paul Bettany, Duff Goldman, Nick Lachey

Lindsay Lohan, John Krasinski, Sergio Mendes, The Black Eyed Peas

Ron Howard, John Donnelly, Brad Paisley

Denis Leary, Bob Uecker, Dem Franchize Boyz

Teri Hatcher, Ty Pennington, James Hunter

Josh Lucas, Hogan Family, Bird York

Kurt Russell, Lisa Lampanelli, Jewel

Dr. Phil McGraw, Oscar De La Hoya, Franz Ferdinand

Hugh Jackman, Bruce Parry, Imogen Heap

Jennifer Love Hewitt, Merv Griffin, Damian 'Jr. Gong' Marley

Howie Mandel, Elwood Carlisle, Godsmack

Jaime Pressly, George Wallace, Avant

Robin Williams, Keke Palmer, Daniel Powter

Randy Jackson, Jenny McCarthy, LeAnn Rimes

Tom Green, Max Prado, David Gilmour

Kiefer Sutherland, Kristin Chenoweth, Matthew Sweet, Susanna Hoffs

Kim Basinger, Sen. John McCain, Bubba Sparxxx featuring the Ying Yang Twins

Terry Bradshaw, Jim Cramer, Little Big Town

Blue October, Jon Lovitz, Julie Scardina

Dennis Quaid, Lonnie Dupre & Eric Larson, Eagles of Death Metal

Jamie Foxx, Mary Lynn Rajskub

Michael Douglas, Chelsea Handler, Toby Keith

Paula Abdul, Chris Matthews, Sean Paul

David Spade, Ivanka Trump, Van Hunt

Paul Newman, Catherine Keener, Mitch Fatel

Sharon Stone, John Heder, Big & Rich

Jennifer Aniston, John Caparulo, All American Rejects

Rosie O'Donnell, Chris Paplham, Fall Out Boy

Rebecca Romijn, The King of Cars ‘Chop', Beth Orton

Ryan Seacrest, Jenna Fischer, Rascal Flatts

Rob Schneider, Carmen Electra, The Strokes

Billy Crystal, Dame Edna, Augustana

Lucy Liu, John Leguizamo, Ne-Yo

Megan Mullally, Kevin Brauch, Busta Rhymes

Jodie Foster, Sean Astin, Herb Alpert with Ozomatli

Queen Latifah, Carl Reiner, Rob Zombie

Wanda Sykes, Rainn Wilson, The New Cars

Simon Cowell, Lisa Lampanelli, Goldfrapp

Terry Bradshaw, Marian Morris & Boo Boo, Russell Crowe & The Original Fear of God

Julia Louis-Dreyfus, Larry the Cable Guy, Neko Case

Tim Allen, Michelle Rodriguez, Bon Jovi

Kristin Davis, Ang Lee, Kris Kristofferson

Ebert & Roeper, Matthew McConaughey, Train

Vin Diesel, Tanith Belbin & Ben Agosto, Jamie Cullum

Salma Hayek, Apolo Anton Ohno, Rhett Miller

Jason Lee, Jamie Oliver, Dwight Yoakam

Sasha Cohen, Vusi Mahlasela, Julie Scardina

Colin Powell, Dancing With The Stars Winner, Rosanne Cash

Al Michaels, Tyler Perry

Terence Howard, Hannah Teter

Howie Mandel

Dolly Parton

Rob Schneider, Alonzo Bodden

Samuel L. Jackson, Kathleen Madigan

Bill Maher, Shaun White

Matt Dillon, Sports Illustrated Swimsuit Cover Model

Paul Reiser

Jennifer Love Hewitt

Paul Walker, Jillian Barberie, Fiona Apple

Michelle Williams, John Krasinski, Rob Thomas

Felicity Huffman, Jerome Bettis, The Fray

Ellen DeGeneres, Geoffrey Gallante, Yellowcard

Terry Bradshaw, Candice Michelle, Yo Yo Ma with John Williams

Jarod Miller, Paul Bettany, Collective Soul

Roseanne Barr, Sue Johanson, Sergio Mendes

Snoop Dogg, Ron White

Harrison Ford, Bryce Dallas Howard, Juanes

Dominic Monaghan, Emily Deschanel, P.O.D.

Joaquin Phoenix, Joy Koy, Alanis Morisette

Jake Gyllenhaal, Steve Irwin, Seether

Kate Beckinsale, Kinky Friedman, Nickel Creek

Jamie Foxx, U.S. Freestyle Aerials Team

Ladysmith Black Mambazo, Sarah McLachlan

Dennis Miller, Bob Uecker, Heather Headley

Albert Brooks, Jenna Elfman, Mary J. Blige

Colin Firth, Sasha Cohen, Fort Minor

Heath Ledger, Heidi Klum, Ray J

Simon Cowell, Randy Jackson, Paula Abdul, Wendy Liebman, Barry Manilow

Jake Gyllenhaal, Steve Irwin, Seether

Emma Thompson, Jeff Daniels, Sugarland

Steve Carell, Maria Lark, Anthony Hamilton

Joaquin Phoenix, Jo Koy, Alanis Morissette

Matthew Broderick, Nathan Lane, Chad Hedrick, Billy Currington

Rachel Weisz, ANT, Lil' Wayne

Will Ferrell, Flipsyde

Terrence Howard, Carrot Top, Jace Everett

Philip Seymour Hoffman, Noelle Pikus-Pace, John Mayer Trio