The Tonight Show with Jay Leno

William Shatner; Chelsea Handler; Newton Faulkner

Liv Tyler; Judd Apatow; Usher

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

Dustin Hoffman; Gordon Ramsay; Flobots

Will Smith; Pete Sampras; Ed Harcourt

Russell Brand; Bill Engvall; Aimee Mann

Justin Timberlake; Karen Allen; Sheryl Crow

Dana Carvey; Spencer Breslin; Priscilla Ahn

Mike Myers; Abigail Breslin; David Cook

Larry the Cable Guy; Bob Costas; Ashanti

Anne Hathaway; Gabriel Iglesias; Amos Lee

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

The Rock; Tom Papa; Against Me!

Wanda Sykes; James McAvoy; Duffy

Bette Midler; Al Roker; Bette Midler

Selma Blair; Kevin Nealon; Steve Tyrell

Aaron Eckhart; Los Lonely Boys; Dara Torres

Sara Bareilles; Jarod Miller

Adam Carolla; Kathy Griffin; Wynton Marsalis; Willie Nelson

Elizabeth Banks; Michael Caine

Will Ferrell; Mary McCormack; James Hunter

David Duchovny; Reese Hoffa; Jakob Dylan

John C. Reilly; Venus Williams; Gavin Rossdale

David Spade; Jordana Spiro; Coldplay

Tim Allen; Demi Lovato; One Republic

Kyra Sedgewick; Chris Matthews; Alanis Morissette

Gillian Anderson; Dave Attell; The Duke Spirit

Kevin Costner; D.L. Hughley; The Time

Kelsey Grammer; Hugh Rowland; Drew Sherwood; Gavin Degraw

Kevin Spacey; Triumph the Insult Comic Dog; Jesse McCarthy

Julie Scardina; Brendan Fraser; Gnarls Barkley

Seth Rogen; Joan Allen; Third Day

Rainn Wilson; Emeril Lagasse; Sergio Mendes Ft. Ledisi

Rosie Perez; Robin Thicke

Bill Cosby; Emma Stone

Ben Stiller; the Jonas Brothers

Robert Downey Jr.; Anna Faris; Toby Keith

Jack Black; Conor Oberst

Nick Nolte; Solomon Burke

Scarlett Johansson; Luke Ford; Chris Cornell

John McCain; Dara Torres; Juliana Hatfield

Norm MacDonald; Gordon Ramsay; B.B. King

Bill Maher; Low vs Diamond

Josh Brolin, Chelsea Handler, The Killers

Heidi Klum, Robert Pattinson, Seal

Debra Messing, Cody Willard, Celine Dion

Kathy Griffin, David Frost, Colbie Caillat

Michael Phelps, JB Smoove

Brian Williams, Kirk Fox, Common

Cate Blanchett, Tim Reid & Tom Dreesen, Taylor Swift

Will Smith, Paula Deen, k.d. lang

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

Wanda Sykes, Michael Phelps, Lyle Lovett

Jamie Foxx, David Gregory

Kate Winslet, Dame Edna, Sheryl Crow

Jim Carrey, Rosario Dawson, Relient K

Charlize Theron; Matt Lucas & David Walliams

Adam Sandler, Zooey Deschanel, Los Lonely Boys

James Franco, Doris Kearns Goodwin, Melissa Etheridge

Owen Wilson, Julie Scardina, Natalie Cole

Terry Bradshaw, Jack Witherspoon, Iron & Wine

Queen Latifah, Adam Carolla, Pussycat Dolls

Anne Hathaway, Brady Barr, Jeff Dunham

Dustin Hoffman, Mary Lynn Rajskub, Lady GaGa

Daniel Craig, Taraji P. Henson, Eagles of Death Metal

David Duchovny, Richard Roeper, The All-American Rejects

Mickey Rourke, Toni Collette, John Legend

Cherie Blair, Ralph Fiennes, Brett Dennen

Kevin James, Emma Roberts, MuteMath

Hugh Laurie, Chuck Todd, Band From TV

Jimmy Fallon, Neil DeGrasse Tyson, Lee Ann Womack

Wanda Sykes, Bernice Gallego, Buckcherry

Howie Mandel, Jerome Bettis, Lady Antebellum

Marisa Tomei, Dr. Grey Stafford, Ty Barnett

Michelle Obama; Chris Rock; Darius Rucker

Rainn Wilson, Nikki Glaser, Hoobastank

Dakota Fanning, Bradley Cooper, the Neville Brothers

Jenna Fischer, Justin Long, Franz Ferdinand

Elizabeth Banks, Dev Patel, James Morrison

Kate Winslet, Danny Boyle, Akon

Penelope Cruz, D.L. Hughley, Sara Bareilles

Drew Barrymore, Serena Williams, will.i.am

Jennifer Aniston, Santonio Holmes, Jamey Johnson

Dave Salmoni, Frank Langella, Ben Lee

Simon Baker, Heidi Montag and Spencer Pratt, Duffy

Bill Maher, Viola Davis, Raphael Saadiz

Anderson Cooper; Steve Byrne; Sarah McLachlan

Miley Cyrus; Jason Statham; David Cook

Kiefer Sutherland; Lisa Lampanelli; Barry Manilow

Larry the Cable Guy, Chris Matthews, Adele

Bill Maher, Kristin Chenoweth, Nickelback

Hugh Jackman, Tenacious D

Jay Mohr, Marjorie Johnson, Scott Weiland

Ron Howard, Jonas Brothers

Larry the Cable Guy, Malin Akerman, the Fray

Bob Newhart, Rachel Maddow, Bettye Lavette

Russell Brand, Neko Case

Jarrod Miller, Sienna Miller, Tom Jones

Christina Ricci, Papa Roach

Elisabeth Hasselbeck, Demetri Martin, Rocco De Luca & The Burden

Whoopi Goldberg, Elle Fanning, Keyshia Cole

Ellen DeGeneres, Christopher Mintz, Raul Malo

Dwayne Johnson, Heather Headley

John Krasinski, Kara DioGuardi, Randy Travis

Tom Cruise, Frank Caliendo, The Cure

Portia de Rossi, D.L. Hughley, Soundtrack of Our Lives

Reese Witherspoon, Keith Olbermann, Naturally 7

President Barack Obama, Garth Brooks

Robin Williams, Freida Pinto, Johnny Mathis

Charlie Sheen, Arianna Huffington, Lisa Hannigan

Seth Rogen, Guy Fieri, Chris Cornell

Simon Cowell, Randy Jackson, Ryan Seacrest, John Cena, Playing For Change

Condoleezza Rice, Bill Hader, PJ Harvey & John Parish

Halle Berry, Frank Caliendo, Prince

Paul Giamatti, Emma Roberts, Prince

Dana Carvey, Billy Mays, Prince

Vin Diesel, Lisa Lampanelli, Gavin DeGraw

Amy Poehler, Paul Walker, Fall Out Boy

Michael Caine, Dennis Rodman, Christopher Guest, Michael McKean, Harry Shearer

Ben Affleck, Taylor Swift

Miley Cyrus, Tom Lennon

Sen. John McCain, Kristin Chenoweth, Billy Ray Cyrus

Jamie Foxx, Carol Leifer, the Airborne Toxic Event

Don Rickles, Richard Engel, Chris Botti featuring John Mayer

Jessica Alba, Bob Saget, Jonny Lang

Charles Barkley, Leslie Mann, TV on the Radio

Martha Stewart, Tracey Ullman, the Killers

Hugh Jackman, Abigail Breslin, Ida Maria

Robert Downey Jr., Alexandra Wentworth, George Wallace

Eric Bana, Marjorie Johnson, Big Bad Voodoo Daddy

Michael Douglas, Chelsea Handler, Country Bones

Jimmy Fallon, Chris Matthews, Zac Brown Band

Matthew McConaughey, Earvin "Magic" Johnson, Starsailor

Arsenio Hall, Jules Sylvester, Ziggy Marley

Anderson Cooper, Kathleen Madigan, Eli Young Band

Howie Mandel, Alec Greven, Robert Randolph & the Clark Sisters

Tim Allen, John Cho, Van Morrison

Adam Sandler, Judd Apatow, Soulja Boy Tellem

Jamie Lee Curtis, Jonah Hill, Jewel

Russell Brand, Elizabeth Banks, Ciara

Dennis Miller, Calvin Borel, Kelly Clarkson

Kevin Spacey, Roberta McCain, Yusuf

Katie Couric, Ewan McGregor, the Decemberists

Kevin Bacon, Julie Scardina, Kings of Leon

Cameron Diaz, Kirk Fox, Blink 182

Terry Bradshaw, 8-year-old piano prodigy Ethan Bortnick, Blink 182

Bill Maher, Adam Richman, Mandy Moore

Andy Samberg, "American Idol" winner Kris Allen, Lionel Richie

Brian Williams, Jesse James, Tori Amos

Mel Gibson, Lyle Lovett

Gov. Arnold Schwarzenegger, Dwight Yoakam

Wanda Sykes, Sarah McLachlan

Billy Crystal, Prince

Conan O'Brien, James Taylor

17 Dec. 2008