The Jay Leno Show

Bill Maher

Jerry Seinfeld, Jay-Z with Rihanna & Kanye West

Michael Moore, Tom Cruise, Cameron Diaz

Robin Williams, Miley Cyrus

Halle Berry, Bruce Hornsby with Eric Clapton

Drew Barrymore, Mel Gibson

Jennifer Garner, Barney Frank, Headlines

Pee-Wee Herman, Amy Poehler, 99 Cent Store

Vince Vaughn, Michaels vs. Costas

Rush Limbaugh, Smokey Robinson with Joss Stone

Hugh Laurie, LeBron James

Bill Maher, Brad Paisley & Sheryl Crow

Julia Louis-Dreyfus, Billy Crystal

Adam Carolla, Steve Carell, Vince Gill & Emmylou Harris

Chris Rock

Jenna Fischer, Dan Ahdoot, Photo Booth

Jamie Foxx, Joe Torre

Abigail Breslin, Cindy McCain

Wanda Sykes, Kathleen Sebelius

Gerard Butler, Ben Harper & Jack Black

Terry Bradshaw

Dana Carvey

John C. Reilly, Ben Roethlisberger

Mikey Day, Bill Cosby

Matt Lauer, Jeff Dunham

Ross Mathews, Sen. John McCain

Rod Stewart

Martha Stewart, Ludacris

Rainn Wilson

Hilary Swank, Jerry Jones

Colin Firth

Dr. Phil McGraw

Ewan McGregor, Tina Fey

Chelsea Handler, Brian Williams

Paula Abdul

John Cusack, Frank Caliendo

Mariah Carey, a performance from Cirque du Soleil's

Katie Featherston & Micah Sloat

Jenna Bush Hager, Laura Bush

Wanda Sykes, Rachael Ray, Dan Finnerty & the Dan Band

Elizabeth Banks

Kathy Griffin

Howie Mandel

Sandra Bullock

Penelope Cruz, Dolly Parton

Terrence Howard, Terry Bradshaw

Taylor Lautner, Heather Locklear

The Biggest Loser Rebecca Meyer, Kevin Nealon, Tyra Banks

Larry the Cable Guy, Mikey Day

Dakota Fanning, Kate Flannery, Jeff Dunham, Mikey Day

Kellan Lutz, Ed Begley Jr.

Gov. Arnold Schwarzenegger, Lady Gaga

Charles Barkley, The Biggest Loser contestant Allen Smith

Paula Patton

Megan Fox

Bill Maher

John Travolta, Kim Kardashian

Morgan Freeman, Maxwell, Nick Thune

Kelsey Grammer, Taylor Swift

Susan Sarandon, Andrea Bocelli with the Muppets

Gabourey Sidibe, Winner of The Biggest Loser Danny Cahill

Quentin Tarantino, Drew Brees

Matt Damon, Barry Manilow

Gordon Ramsay

Anna Kendrick, Tim McGraw

Christina Applegate, Nick Lachey

Sigourney Weaver, John Mayer

Sam Worthington, Mary J. Blige

Glenn Beck, Kate Gosselin

Jeff Bridges, Adam Lambert

Dane Cook

Julie Scardina, African Children's Choir

Tim Allen

Kim Kardashian, Jillian Michaels, Guy Fieri

Hugh Jackman, Katie Couric

Denzel Washington

Brian Williams

Bill Cosby

Sandra Bullock

Heidi Klum

Dwayne Johnson

Julianne Moore

Emily Blunt

Chelsea Handler

James Cameron

Billy Crystal

Mark Harmon

Mel Gibson

Bill Paxton

Howie Mandel

Jessica Alba

Jessica Biel

Wanda Sykes

Bill Maher, Gretchen Bleiler

Emma Roberts, Charles Barkley

Series Finale: Ashton Kutcher, Bob Costas, Gabourey Sidibe