Watching: The Tonight Show with Jay Leno

Jamie Foxx, Lindsey Vonn, Brad Paisley

Sarah Palin, Shaun White, Adam Lambert

"Jaywalk All-Stars" with the cast of "Jersey Shore", Chelsea Handler, Apolo Anton Ohno, Avril Lavigne

Brett Favre, Matthew McConaughey, Jason Reitman

Morgan Freeman, Meredith Vieira

Simon Cowell, Richard Roeper, Ben Harper

Christoph Waltz, Dave Salmoni, Joan Jett & the Blackhearts

Kristen Stewart, Guy Fieri, Ryan Bingham

Dana Carvey, Kim Kardashian, Colbie Caillat

Dakota Fanning, Judd Apatow, Katharine McPhee

Terry Bradshaw, Kara DioGuardi, Ziggy Marley

Hugh Jackman, Betty White, Collective Soul

Dwayne Johnson, kid inventors, Switchfoot

Janet Jackson, Clark Duke, Orianthi

John Cusack, Heidi Montag, Barenaked Ladies

Charles Barkley, Kenny Smith, Ernie Johnson, k.d. lang

Gerard Butler, Sofia Vergara, Rodrigo y Gabriela

Ed Helms, Pamela Anderson, Snoop Dogg

Miley Cyrus, Tom Papa, Puddle of Mudd

Craig T. Nelson, Rumer Willis, Ludacris

Lauren Graham, Karl Rove, Joss Stone

Joy Behar, Thomas Haden Church, Shooter Jennings

Bill Maher, Wayne Vandenlangenberg, OneRepublic

Zachary Levi, Bear Grylls, Justin Bieber

Randy Jackson, Matthew & Amy Roloff, Monica

Kirstie Alley, David Boreanaz, Slash & Andrew Stockdale

David Duchovny, Kendra Wilkinson-Baskett, Corinne Bailey Rae

Demi Moore, Rep. Barney Frank, Train

Julie Scardina, Mary McCormack, Michael Kosta

Russell Crowe, Jenna Elfman, Sade

Nicolas Cage, Lisa Lampanelli, Lady Antebellum

Tracy Morgan, Chloe Moretz, Alan Jackson

Kate Gosselin, Kenny Chesney

Hugh Jackman, Betty White, Collective Soul

Brooke Shields, Phoenix

Heidi Klum, Ken Jeong, Smashing Pumpkins

Jennifer Lopez, Chace Crawford, Natalie Merchant

Jeff Corwin, Pierce Brosnan, Maxwell

Creed

Joel McHale, "Real Housewives of New Jersey" Caroline Manzo, Jacqueline Laurita & Teresa Giudice, Melissa Etheridge

Jessica Simpson, Jackie Earle Haley, Dierks Bentley

Chelsea Handler, Aqualung

Arnold Schwarzenegger, Sig Hansen, Laura Bell Bundy

Mickey Rourke, Ashley Graham

Julia Louis-Dreyfus, Jon Favreau, Godsmack

Scarlett Johansson, Frank Caliendo, Michael Bolton

Robert Downey Jr., Mindy Kaling

Samuel L. Jackson, Kara DioGuardi, Jason Derulo

Don Cheadle, Erin Andrews

Laura Bush, Donald Trump, Limp Bizkit

Amanda Seyfried, Guy Fieri, Luke Bryan

Betty White, Jarod Miller, Macy Gray

Garry Shandling, Ellie Kemper, Jakob Dylan

Donald Trump, the Jonas Brothers, Neon Trees

Bill Cosby, Ricky Gervais, Taio Cruz

Michael Douglas, Charles Barkley, Joe Nichols

Eddie Murphy, Carrie Ann Inaba, Bruno Tonioli, Damian Marley with Nas

Chelsea Handler, Chris Matthews, Sarah McLachlan

Kiefer Sutherland, Mary Lynn Rajskub, Adam Lambert

Russell Brand, David Gregory, Bettye Lavette

Bret Michaels, Jane Krakowski, John Butler Trio

Kathy Griffin, Paula Deen, Hanson

Katherine Heigl, Matthew Morrison, Allison Moorer

Colin Farrell, Elisabeth Moss, Kevin Eubanks

Mickey Rourke, Ashley Graham, Kevin Meaney

Jennifer Lopez, Donald Glover, Natalie Merchant

Jessica Simpson, Jackie Earle Haley, Dierks Bentley

Ed Helms, Pamela Anderson, Snoop Dog

Eddie Murphy, Mary Lynn Rajskub, Nas and Damian Marley

Howie Mandel, Jillian Michaels, Hole

Chris Rock, Nicole "Snooki" Polizzi, Sting

Adam Sandler, Rachel Maddow, OK Go

Denis Leary, Judd Apatow, Alanis Morissette

Tim Allen, Against Me!

Josh Brolin, Ashley Greene, Cee-Lo

Robert Pattinson, Emma Roberts, Travie McCoy

Lauren Graham, Rob Schneider, Matisyahu

Jonah Hill, Quinton "Rampage" Jackson, Punch Brothers

David Spade, Dan Riskin, Kelis

Dakota Fanning, Daniel Tosh, Crystal Bowersox

Jeremy Piven, Louis C.K., Drake

Tom Cruise, Bryce Dallas Howard, Sharon Jones & the Dap-Kings

Cameron Diaz, Dan Riskin, Lee DeWyze

Jason Segel, Jenni "JWoww" Farley, Enrique Iglesias

Dave Salmoni, John C. Reilly, Big Boi

Steve Carell, Jane Lynch, Michael Palascak

Adrien Brody, Chris Isaak

Seth Meyers, Jonathan Hillstrand & Josh Harris, Tracy Bonham

Jennifer Love Hewitt, Jay Baruchel, Nikki & Rich

Tracy Morgan, Drew Brees, Flo Rida

Ellen Page, Austin "Chumlee" Russell & Corey Harrison, Grace Potter & the Nocturnals

Craig Kilborn, Stephen Moyer, the Swell Season

Don Rickles, Dwyane Wade, KISS

Zac Efron, Lior Suchard, the Black Keys

Chelsea Handler, Matt Bomer, Metric

Jack Rebney & Ben Steinbauer

Rachel Weisz, Tony Robbins, Gaslight Anthem

Bill O'Reilly, Adam Shankman, Lyle Lovett

Piers Morgan, Joey King, Jaron and the Long Road to Love

Eva Mendes, Isiah Mustafa, Robert Cray

Jennifer Aniston, Jason Schwartzman, Stone Temple Pilots

Gabourey Sidibe, Jakub Vagner, Mike Vecchione

Sylvester Stallone, Criss Angel, Maronzio Vance

Betty White, Sam Trammell, Black Crowes

Gordon Ramsay, Sofia Vergara, K'naan

Mickey Rourke, Seth MacFarlane, Plain White T's

Emma Thompson, comics from "Chelsea Lately", Taio Cruz

Howie Mandel, Aubrey Plaza, Mike Posner

Anna Kendrick, Eli Roth, Robert Francis

Jason Statham, 92-year-old car lady Rachel Veitch, Los Lobos

Javier Bardem, Paul Watson, Peter Bethune, the Whigs

Justin Long, Alejandro Escovedo

Jason Segel, Jenni J-Wow Farley, Enrique Iglesias

Jennifer Aniston, Jason Schwartzman, Christina Perri

Don Rickles, Dwyane Wade, KISS

Gordon Ramsay, Sofia Vergara, K'Naan

Wanda Sykes, Ben Steinbauer, Jack Rebney, 3OH!3

Don Johnson, Whitney Cummings, Cyndi Lauper & Jonny Lang

Kim Kardashian, Rep. Barney Frank, Norah Jones

Thomas Haden Church, Jules Sylvester, Goo Goo Dolls

Al Michaels, Cris Collinsworth, Steve Buscemi, Herbie Hancock, Susan Tedeschi & Derek Trucks

Louis C.K., Sara Bareilles

Sylvester Stallone, Criss Angel, Maronzio Vance

Carey Mulligan, Meghan McCain, Mavis Staples

Chelsea Handler, Ken Jeong, Ray LaMontagne

Katie Couric, Kurt Warner, David Gray

Hugh Laurie, Emma Stone, Sarah McLachlan

Bill Maher, Kristen Bell, Brandon Flowers

Jamie Lee Curtis, Mike "The Situation" Sorrentino, Trace Adkins

Ben Affleck, Julie Bowen, Weezer

Kate Walsh, Jason Ritter, Santana & India.Arie

Joel McHale, Arianna Huffington, Dov Davidoff

Justin Timberlake, Jane Lynch, OK Go

Ed Helms, Casey Affleck, Sheryl Crow

Ryan Reynolds, Betty White, Tommy Lee

Jimmy Smits, Jackie Evancho, Brian Wilson

Dwyane Wade, Zachary Levi, Gloria Gaynor

Lauren Graham, Vanilla Ice, Zac Brown Band

Patrick Dempsey, Mindy Kaling, Train

Diane Lane, Julie Scardina, Seal

Morgan Freeman, Eric Stonestreet, Rodrigo y Gabriela

Meredith Vieira, Seth MacFarlane, Kenny Chesney

Will Arnett, Dot Marie Jones, a performance from Broadway's "Rock of Ages"

Terrence Howard, Jillian Michaels, K.T. Tunstall

Shaun White, Florence Henderson, Toby Keith

Katherine Heigl, Ben Rappaport, Meat Loaf

Terry Bradshaw, "Potato Lady" Doretta Cannon, OneRepublic

Jay Mohr, Pauly D, Travie McCoy

Heidi Klum, Ty Burrell, Johnny Mathis

Harrison Ford, Whitney Cummings, Gogol Bordello

Wanda Sykes, Rick Fox, Pete Yorn

Eva Longoria Parker, Josh Duhamel, John Legend

Matt Lauer, Martha Stewart, Lauren Pritchard

Robert Downey Jr., Paula Deen, Jamey Johnson

Robin Williams, Judd Apatow, Kylie Minogue

Denzel Washington, Reed Timmer, Corinne Bailey Rae

Rainn Wilson, Margaret Sparkman, Jimmy Eat World

Janet Jackson, Jesse Tyler Ferguson, Duffy

James Franco, Meghan McCain, Far East Movement

Anne Hathaway, San Francisco Giant Brian Wilson, Aaron Neville

Terry Bradshaw, Jennifer Grey, Jason Aldean

Arnold Schwarzenegger, David Baker, N.E.R.D.

Dave Salmoni, Chris Pine, Lee DeWyze

David Spade, Christine O'Donnell, Old 97's

Kim Kardashian, Dennis Miller, Soulja Boy

Diane Keaton, Kevin McHale, Switchfoot

Russell Crowe, Anna Torv, Annie Lennox

Julianne Moore, Tom Felton, Nelly

Christina Aguilera, Buddy Valastro

George W. Bush, Jewel

Garth Brooks, Mike "The Situation" Sorrentino

Dane Cook, Taylor Swift, Keri Hilson

Dwayne Johnson, Kevin Eubanks

Cher, Jeremy Renner, Robyn

Elizabeth Banks, Marjorie Johnson, Carrot Top

Bill Cosby, Atticus Shaffer, Keyshia Cole

Chelsea Handler, Kellan Lutz, Rod Stewart

Mitt Romney, Jay Mohr, Darius Rucker

Jane Fonda, Ian Somerhalder, Paul Reiser & Julia Fordham

Louis C.K., Aron Ralston, Josh Turner

Russell Brand, Chris Colfer, Jonny Lang with Chris Layton, Brad Whitford & Billy Cox

Helen Mirren, Aaron Eckhart, Keith Urban

Jeff Bridges, Rico Rodriguez

Halle Berry, Billy Gardell, Natasha Bedingfield

Matthew Morrison, Crystal Bowersox

Mark Wahlberg, Olivia Wilde, Good Charlotte

Jack Black, Michael Buble

Emily Blunt, Keith Fitzhugh, Jackie Evancho

Jason Segel, Adam Ferrara, Tanner Foust & Rutledge Wood, Katharine McPhee

Owen Wilson, Elle Fanning, Lyle Lovett with Kat Edonson

Larry King, Garrett Hedlund, Pink Martini

Emma Stone, Marjorie Johnson, Sharon Jones & the Dap-Kings

Javier Bardem, Jarod Miller, Naturally 7 with the Agape International Choir

Zachary Levi, Whitney Cummings, BeBe & CeCe Winans with Mary Mary and the West Angeles Choir

Mark Wahlberg, Lachlan Patterson, James Blunt