Howie Mandel, Dock Diving Dogs, Dirty Projectors

Jeremy Piven, Rumer Willis, Black Crowes

Jason Bateman and White House official Dr. John P. Holdren

Billy Crystal and John Fogerty

Neil Patrick Harris, Steve Mazan, Edward Sharpe & The Magnetic Zeros

Tony Blair and Julianna Margulies

Jay-Z, Martha Stewart, and George Jones

Matt Damon and Jack Hanna

Michael Douglas, Leighton Meester, and Kid Cudi

President Barack Obama

Simon Baker and Mary J. Blige

Craig Ferguson, Kristin Chenoweth, and Snow Patrol

Bruce Willis, LL Cool J, and The Noisettes

Felicity Huffman, Dr. Mehmet Oz, and The Avett Brothers

Kelsey Grammer, Alyson Hannigan, and Miranda Lambert

Madonna and Harry Connick Jr.

Woody Harrelson and Kim Kardashian

Larry David, Olivia Wilde and Tom Russell

Steve Martin and Lea Michele

CBS Orchestra bandleader Paul Shaffer, Eliza Dushku and KISS

Vince Vaughn, Carey Mulligan, and Rosanne Cash

Kristin Davis and Barry Sonnenfeld

Jon Hamm, Andy Kindler, and Brett Dennen

Garry Shandling, Kaley Cuoco, and Tim McGraw

Sienna Miller, Aziz Ansari, and Dead By Sunrise

Tina Fey, Chris Russo, and Mika

Don Rickles and Built To Spill

Uma Thurman and Tim McGraw

Charles Barkley, Cheryl Hines, Harper Simon

Courteney Cox, William Knoedelseder, Florence and the Machine

Patrick Dempsey, Bud Selig, Sting

Tom Hanks, Weezer, a Top Ten List presented by Chad Ochocinco

Regis Philbin, Brian Regan, Weezer

Julia Louis-Dreyfus, Guy Fieri, Carrie Underwood, Top Ten with Meb Keflezighi

Al Gore, Brad Paisley, a Top Ten List presented by Michael Bublé

Bill Cosby, Ryan Bingham

Derek Jeter, Jorge Posada & Andy Pettitte, Bill Maher, Keith Urban

Ricky Gervais, Brian Regan, Ralph Stanley and the Clinch Mountain Boys

Bill Murray, Gabourey “Gabby” Sidibe

Jack Hanna, Shakira

Kate Walsh, Norah Jones

Kid Scientists, Amanda Peet, the Cribs with Johnny Marr

Mariah Carey, Kumail Nanjiani

Sharon Stone, Seth Meyers, Wyclef Jean and Cyndi Lauper

Penelope Cruz, Joe Cada, The Script

Robert Pattinson, Ray Davies

Stephen Colbert, Emily Blunt, John Mayer

Viggo Mortensen, Paula Poundstone, and Lyle Lovett

Robin Williams, Ashley Greene

Zac Efron, Carrie Fisher, Rihanna

Natalie Portman, Adam Lambert

Ray Romano, Anna Kendrick

Barbara Walters, Blakroc

Rachel Weisz, Rob Thomas

Kate Hudson, Dr. James Hansen, Tori Amos

Kyra Sedgwick, Brian Scott McFadden, Joe Perry

Hugh Grant, Zoe Saldana, Alicia Keys

Sarah Jessica Parker, Leona Lewis

Robert Downey Jr, Martin Short, and Kris Allen

Shannon Eis, Jude Law, and Matisyahu

Tobey Maguire, Tom Dreesen, and Alicia Keys

Maggie Gyllenhaal and John Witherspoon

Susan Sarandon, Colbie Caillat

Alec Baldwin, Jay Thomas, Darlene Love

Michael Cera, Jenna Elfman, David Gray

Amy Adams, Zachary Levi, Vampire Weekend

Sigourney Weaver, Marv Albert, Julian Casablancas

Bradley Cooper, Rachel Maddow, Nick Jonas

Teri Hatcher, Jake Johannsen, The Dodos

Whoopi Goldberg, Jason Sudeikis, Findlay Brown

Kiefer Sutherland, Keri Russell, The Hotrats

Denzel Washington, Dr. O. Wayne Isom, The Low Anthem

Glenn Close, Eddie Brill, Matt Morris

Kristen Bell, Randy Jackson, The Heavy

Dwayne Johnson, Bettina Luescher, The Swell Season

Claire Danes, Will Arnett, James Taylor, Carole King

Harrison Ford, Lou Reed, Blind Boys of Alabama

Catherine Zeta-Jones, Jeff Stilson, Charlotte Gainsbourg

Bruce Willis, Ne-Yo

John Travolta, Shaun White, Ben Harper & Relentless7

Sarah Silverman, Jeremy Renner, Nneka, a Top Ten List presented by Paris Hilton

Jamie Foxx, Amanda Seyfried, Robin Thicke

Jack Hanna, Joe Wong, the Swell Season

Drew Brees, Sandra Bullock, Josh Turner

Jennifer Garner, the Sports Illustrated swimsuit issue cover model, Sade

Jessica Biel, Christoph Waltz

Regis and Joy Philbin, a Top Ten List presented by Benicio Del Toro

Jeff Bridges, Joe Wong, the Soft Pack

Tracy Morgan, the Daytona 500 winner, Fanfarlo

Ben Kingsley, Mary J. Blige

Ewan McGregor, Abby Elliott, Mumford & Sons

Scarlett Johansson, Daniel Merriweather

Nicole Richie, comic Tom Papa.

Bill Murray, Ludacris

Mitt Romney, Mia Wasikowska

Jerry Seinfeld, Tom Brokaw

Tom Hanks, Spoon

Matt Damon, Danny Bhoy, Corinne Bailey Rae

Kelly Ripa, Lady Antebellum

Julianna Margulies, Broken Bells

Jessica Simpson, Mehmet Oz, Rod Blagojevich, Alkaline Trio

Donald Trump

Liev Schreiber, Jim Gaffigan, Drive-By Truckers

Jennifer Aniston, Charles Moore

Jimmy Kimmel, Kirstie Alley

Gerard Butler, Mindy Kaling, Free Energy

Greg Kinnear, Lacey Brown, Michael Buble, Harry Smith

Ben Stiller, Jamie Oliver, Justin Bieber

Tina Fey, Bryan Cranston, Joan Jett and the Blackhearts

Robin Williams, Paige Miles, Usher

Luke Wilson, Pam Stout, Alan Jackson

Ricky Gervais, Turkey Callers, The Whigs

Sam Worthington, Mike Greenberg & Mike Golic, Patty Loveless

Nathan Lane, She & Him

Steve Carell, Brad Stevens

Chris Rock, Jane Lynch

Jennifer Lopez, Mike Golic & Mike Greenberg, American Idol castoffs Andrew Garcia & Katie Stevens

Amanda Peet, David Chang, Justin Nozuka

Eddie Murphy, Kaley Cuoco, Jakob Dylan

David Spade, Lisa P. Jackson, Broken Social Scene

Kelsey Grammer, Jeff Altman, Sharon Jones and the Dap-Kings

Dr. Phil McGraw, the latest American Idol castoff

Courtney Love, Michael Caine, Hole

Robert Downey Jr., OK Go

Gwyneth Paltrow, Broadway cast of ``American Idiot''

David Beckham, Mike Birbiglia, Hold Steady

Mickey Rourke, Jim Parsons, eliminated ``American Idol'' contestant Siobhan Magnus

Russell Crowe, Sharon Jones and the Dap-Kings

Jack Hanna, Kerry Washington, Willie Nelson

Brian Williams, Beth Ostrosky Stern, Court Yard Hounds

Amanda Peet, Nick Griffin, Wale

Evangeline Lilly, Sam Rockwell, Aaron Kelly, Million Dollar Quartet

Queen Latifah, Will Forte, MGMT performs, Dallas Braden presents the Top Ten List

Michael Keaton, Jenna Fischer

Alec Baldwin, The National

Mike Myers, Tom Dreesen

Matthew Fox, Zac Brown Band,

Jonah Hill, Janelle Monae, John Carney, a Top Ten List presented by Miss USA Rima Fakih

Russell Brand, Johnny

Katherine Heigl, Steve Cohen, Band of Horses

Ashton Kutcher, Larry Miller, Michael Ammar, Brooks & Dunn with Reba McEntire

Jake Gyllenhaal, Dr. Edward B. Overton

Sarah Jessica Parker, the Black Keys

Don Rickles, Piedmont Bird Callers, John Prine with Yim Yames of My Morning Jacket

Jessica Biel, Lee DeWyze

Kate Hudson, Indianapolis 500 winner Dario Franchitti, Sarah McLachlan

Bradley Cooper, Khloe & Kourtney Kardashian, Christina Aguilera

Jaden Smith

Sean Hayes, Robert Klein, Allison Moorer

Helen Mirren, Colin Hanks

Devo

Diddy, Emeril Lagasse, Dirty Money, John Goodman

Miley Cyrus, Rick Harrison

Jada Pinkett Smith, Larry Miller, Fred Eaglesmith

Salma Hayek, Chris

Regis Philbin, Trombone Shorty & Orleans Avenue

Adam Sandler, Bettye LaVette

Kevin James, Thomas L. Friedman

Jay-Z, Eminem

Kristen Stewart, Gary Faulkner, Tokyo Police Club, Top Ten with John Isner

Dolly Parton, Landon Donovan

Julianne Moore, Mike Massimino, The New Pornographers

Taylor Lautner, Barry Sonnenfeld

Nicolas Cage, Steel Train

Kristin Chenoweth, Jonathan Alter, M.I.A.

Joseph Gordon-Levitt, Laurie Anderson

Kyra Sedgwick, Bret Michaels, Jimmy Cliff

Sylvester Stallone, Rob Corddry, Robyn

Steve Carell, Selena Gomez, Sheryl Crow

Bill Murray, Alejandro Escovedo

Joan Rivers, Bill Burr, Steve Winwood

Denis Leary, Albert Pujols, Jimmy Webb

Luke Wilson, Kristen Schaal, Dierks Bentley

Michael Keaton, The Flaming Lips

Paul Rudd, Bill Burr, Interpol

Will Ferrell, Nas and Damian Marley

Michael Cera, Rachel Maddow, Herbie Hancock

Julia Roberts, The Dead Weather

Mark Wahlberg, Cory Kahaney, VV Brown

Brian Williams, Big Boi

Drew Berrymore, Katy Perry

Christina Applegate, Tom Dreesen, The Pretty Reckless

Anne Heche, Ken Burns, The Specials

Jessica Alba, Jimmie Walker, Ryan Bingham & The Dead Horses

Katie Holmes, Rick Harrison

Julianna Margulies, the Black Angels

Jack Hanna, Jamey Johnson

Bill Clinton, Chromeo

Simon Baker, Nicole

Joaquin Phoenix, Tom Jones

James Franco, Sofia Vergara, Shakira

Shia LaBeouf, Brian Regan, Jimmy Eat World

Katherine Heigl, Daniel Dae Kim

Jon Stewart, N.E.R.D.

Mayor Michael Bloomberg, Jesse Eisenberg

Tom Selleck, Janet Elder, Tired Pony

Blake Lively, Michael C. Hall, Drake

Bruce Willis, will.i.am with Nicki Minaj

Tony Blair, Mavis Staples with Jeff Tweedy

David Axelrod, Julie Chen

Stephen Colbert, Johnny Knoxville, Gorillaz

Rachael Ray, Allan Havey, Antony & the Johnsons

Jim Parsons, Geoffrey Canada, Mark Ronson with Q-Tip and MNDR

Matt Damon, My Morning Jacket

Hilary Swank

Diddy, Emma Stone, Diddy-Dirty Money

David Duchovny

Charles Barkley, Garry Dell'Abate, Kings of Leon

Taylor Swift, Seth Meyers

Dana Carvey

Will Ferrell, Kid Cudi

Michael J. Fox, Shaun White

Robert Downey Jr., Elvis Costello

Episode 219

Tina Fey

Chilean Miner Edison Pena

Steve Martin

Harrison Ford, Cee Lo Green

Denzel Washington, Bon Jovi

Russell Crowe, Quincy Jones, Snoop Dogg

Cher, Bruno Mars

Kelly Ripa, Greg Fitzsimmons,Reba McEntire

Emma Watson, Scott Caan, Rascal Flatts

Jay-Z, Jamie Oliver, Rihanna

Jake Gyllenhaal, Fran Lebowitz, Ne-Yo

Jim Carrey, Nikki Minaj, Sitting-In, BJ Thomas

Billy Bob Thornton, Mike E. Winfield, The Secret Sisters

Natalie Portman, Jay Pharoah

Jerry Seinfeld, Colin Firth

Salvatore Giunta, Sahara Smith

Ray Romano, John Mellencamp

Johnny Depp, Ra Ra Riot , George Benson

Barbara Walters, Alison Balsom

Bill O'Reilly

Reese Witherspoon, Colin Quinn

Ricky Gervais, Hailee Steinfeld, Diddy-Dirty Money

Paul Rudd

Tom Dreesen, Ronnie Spector

Matt Damon, Florence and The Machine

Robert DeNiro & Dustin Hoffman

Jack Black, Marv Albert

Jamie Foxx, Sofia Vergara

Denis Leary, Grace Potter & the Nocturnals

Amanda Peet, Jay Thomas,Darlene Love