Patricia Heaton, Brad Womack, Josh Groban

Matt LeBlanc, Julie Benz, Michael Carbonaro

Simon Baker, Nicole 'Snooki' Polizzi, Lloyd Banks

Amy Adams, Chris Colfer, Young the Giant

Cameron Diaz, Scott Foley, Far East Movement

Channing Tatum, Mamie Gummer, A Day To Remember

Sandra Oh, Rico Rodriguez, Nolan Gould, Ariel Winter, Fitz & the Tantrums

Seth Rogen, Elle Fanning, the Damned Things

Randy Jackson, Jennifer Lawrence, Andrew Norelli

Don Rickles, Wilmer Valderrama, New Politics

Ryan Gosling, Kourtney Kardashian, Ra Ra Riot

James McAvoy, Jim Sturgess, K.T. Tunstall

Cory Monteith, Joan Rivers, the Script

Anthony Hopkins, Hailee Steinfeld, Delta Spirit

Amy Poehler, Martha Plimpton, Cold War Kids

Ryan Seacrest, Melissa Leo, Cage the Elephant

Julianna Margulies, Matthew Bomer, the JaneDear Girls

Jamie Foxx, Sarah Shahi

Josh Brolin, Camille Grammer, Tinie Tempah

Kim Kardashian, Alex Trebek, One eskimO

Dr. Phil McGraw, Amy Sedaris, Nelly

Matthew Perry, Morena Baccarin, Pitbull

Adam Sandler, Bobby Flay, Ke$ha

Justin Bieber, Travis Barker featuring Game and Swizz Beats

Martin Lawrence, Dianna Agron, Jewel

Jeremy Renner, Eric Stonestreet, Black Dub

Javier Bardem, Flavor Flav, Stone Sour

Jason Sudeikis, Blake Griffin, Keri Hilson

Cameron Diaz, Henry Winkler, Cake

Nancy Grace, Twilight Singers

Owen Wilson, Kelly Ripa, Adele

Tom Hanks, Cee Lo Green

Bill Maher, Esperanza Spalding

Emily Blunt, Max Irons, Aaron Lewis

Amanda Seyfried, Nick Offerman, Henry Wolfe

Howard Stern, Michael Franti

Ryan Phillippe, Mila Kunis, the new 'Bachelorette', Ron Sexsmith

Jane Lynch, David Boreanaz, Avril Lavigne

Kristen Wiig, Adam Scott, the Wombats

Matthew McConaughey, Jena Malone, Young Dubliners

Liv Tyler, Mark Cuban, Brett Dennen

Rainn Wilson, Abbie Cornish, the Gaslight Anthem

Jake Gyllenhaal, Jerry Weintraub, Quinn Sullivan

Penelope Cruz, Paul Iacono, Oh Land

Sharon Osbourne, Bruno Tonioli, the Sounds

Johnny Knoxville, the latest 'Dancing With the Stars' castoff, Britney Spears

Danny McBride, Sara Ramirez, Duran Duran

David Beckham, Wes Craven, Sum 41

Katie Holmes, Dana Delany, Bad Religion

Christian Slater, Dr. Drew Pinsky, the latest 'Dancing with the Stars' castoff, the Decemberists

Norm MacDonald, Elisha Cuthbert, Funeral Party

Vin Diesel, Neve Campbell, Ellie Goulding

David Arquette, Mike Birbiglia, Asking Alexandria

Emma Roberts, Morgan Spurlock, the latest 'Dancing with the Stars' castoff, Jenny and Johnny

Eva Longoria, Patrick Warburton, Robyn

Tom Arnold, Alison Brie, Francis & the Lights

Courtney Cox, Gary Busey, Jessie J

Dwayne Johnson, the latest 'Dancing with the Stars' castoff, Sammy Hagar, the Belle Brigade

Robert Pattinson, Shailene Woodley, Lenka

Christoph Waltz, Kunal Nayyar, Phantogram

Martin Short, Kat Dennings, Alter Bridge

Mark Ruffalo, Jamie Oliver, the latest 'Dancing with the Stars' castoff, Robbie Robertson

Larry King, Jaimie Alexander, Augustana

Diane Sawyer, Sofia Vergara, Manny Pacquiao, the Airborne Toxic Event

Rene Russo, Kristin Gore, k.d. lang

Anthony Hopkins, Andre Agassi, “Dancing with the Stars” castoff Kendra Wilkinson-Baskett

Kenneth Branagh, Ellie Kemper, the 2011 National School Scrabble Champions

Chris Hemsworth, Calexico

Rob Lowe, Ty Pennington, Wiz Khalifa

Nathan Fillion, the latest 'Dancing with the Stars' castoff, Calle 13

Chris O'Donnell, Ginnifer Goodwin, Zac Brown Band

Kate Hudson, Windell Middlebrooks, Raphael Saadiq

Topher Grace, Adam Carolla, Christina Perri

Albert Brooks, Chaz Bono, Rammstein

Khloe Kardashian Odom, 'Science Bob' Pflugfelder, Scott Weiland

Wanda Sykes, 'Bachelorette' Ashley Hebert, Foster the People

“Dancing with the Stars” winners Hines Ward & Kym Johnson, Taylor Lautner, Britney Spears

Jesse Tyler Ferguson, Sarah Vowell, Maybach Music Group featuring Rick Ross

Christina Aguilera, Mike Tyson, Big Sean

Carson Daly, Flavor Flav, I See Stars

Jason Sudeikis, Piers Morgan, Lykke Li

Paris Hilton, “Bachelorette” Ashley Hebert, spelling bee champion Sukanya Roy, Sara Bareilles

Kathy Griffin, J.J. Abrams, Friendly Fires

Elle Fanning, John Henson, Gruff Rhys

Sarah Ferguson, Ryan Lee, Ice Cube

Gordon Ramsay, Mike O'Malley, Hanson

Cedric the Entertainer, Ray Kurzweil, Breathe Carolina

Owen Wilson, Adam Levine, Panic! at the Disco

Eva Mendes, Jim Florentine, Pitbull

Molly Shannon, Tim Tebow, Matt Nathanson

Rosario Dawson, Michael Angarano, Jill Scott

Louis C.K., 'Bachelorette' Ashley Hebert, Missy Peregrym, Steel Magnolia

Jason Bateman, Dhani Jones, Hannibal Buress

Kevin Nealon, Dave Salmoni, Parachute

Shia LaBeouf, Aaron Rogers, 311

Rosanne Barr, Aaron Paul, Viva Brother

Kyra Sedgwick, Jay Forry, Theophilus London

John Stamos, Ashley Benson, Owl City

Dax Shepard, Stephen Moyer, Bush

Jon Favreau, Rutledge Wood, Big Talk

Daniel Craig, Sasha Alexander, The Features

Olivia Wilde, Adam Beach, Chris Young

Harrison Ford, Lady Gaga

Howie Mandel, Ashley Hebert, Jake Shimabukuro

Hank Azaria, Jim Sturgess, The Lonely Forest

James Franco, Ian McMillan, Coldplay

Jeremy Piven, Denise Richards, Todd Glass

Aziz Ansari, Chris Harrison, Eric Church

Jessica Alba, Steve Martorano, Luke Bryan

Jesse Eisenberg, Jerry Springer, Incubus

Betty White, Robert Rodriguez, Josh Ritter

Jamie Foxx, Affion Crocket, the Vaccines

Joel McHale, Joe Mantegna, the Band Perry

Zoe Saldana, Anton Yelchin, Amos Lee

Uncle Frank Memorial Celebration, Don Rickles

Elijah Wood, Jennifer Morrison, AWOLNATION

Khloe Kardashian, Gabe Dixon

Kristin Chenoweth, Freddie Wong & Brandon Laatsch

Nathon Fillion, Dave Salmoni and animals, Sia

Judge Judy Sheindlin, Emily VanCamp, Staind

Ty Burrell, Little League World Series champions, Cake

Steve Buscemi, Lily Collins, Ziggy Marley

Dr. Phil McGraw, Jon 'Bones' Jones & Quinton 'Rampage' Jackson, Switchfoot

Simon Cowell, the first 'Dancing with the Stars' castoff, Gavin DeGraw

Julie Bowen, Elisha Cuthbert, Pitbull

Ellen Pompeo, Sammi Giancola & Ronnie Magro, Daryl Hall

Dana Delany, Erin Andrews, Kelly Rowland

Eva Longoria, the latest 'Dancing with the Stars' castoff, Glen Campbell

Mark Wahlberg, Seth MacFarlane

Matt Stone & Trey Parker, Jessica Capshaw, Givers

Jane Lynch, Ramon Rodriquez, Blink 182

Evangeline Lilly, the latest 'Dancing with the Stars' castoff, Mute Math

Will Arnett, Jane Levy, J Cole

Antonio Banderas, 'Science Bob' Pflugfelder, Jane's Addiction

Paula Abdul, Kenny Wormald, Two Door Cinema Club

Don Rickles, “Dancing with the Stars” castoff Chynna Phillips, Peter Bjorn & John

Rob Lowe, Idris Elba, Chris Cornell

John Goodman, Lake Bell, Evanescence

Zach Galifianakis, Mike Judge, Primus

Hugh Laurie, Nicole “Snooki” Polizzi, Beavis & Butthead, “Dancing with the Stars” castoff Chaz Bono

David Spade, Tyra Banks, Brett Ratner, Frank Turner

Justin Timberlake, Rebecca Romijn, the Fray

Halloween Special: Paul Reubens, Bruno Tonioli, Megadeth

Adam Sandler, “Dancing with the Stars” castoff David Arquette, The Bangles

Ellen DeGeneres, Gabourey Sidibe, Chris Isaak

Eddie Murphy, Manny Pacquiao, Chickenfoot

Taylor Lautner, Herman Cain, Junip

Mickey Rourke, “Dancing with the Stars” castoff Nancy Grace, Wale

Robert Pattinson, Freida Pinto, Thompson Square

Kristen Stewart, Jon Bernthal, Feist

Sarah Michelle Geller, Miss Piggy, the Belle Brigade

Patricia Heaton, “Dancing with the Stars” finalists Rob Kardashian, Ricki Lake & J.R. Martinez, Christina Perri

Tim Allen, Jackson Rathbone, Miranda Lambert

Peter Facinelli, Jamie Oliver, Vince Gill

Artie Lange & Nick DiPaolo, Atticus Shafer, Lady Antebellum

David Beckham, Dana Delany, “Dancing with the Stars” winner J.R. Martinez, Nickelback

Regis Philbin, Paul Anka

Shaquille O'Neal, Julia Jones, David Guetta featuring Usher

Jim Parsons, Taylor Kitsch, My Morning Jacket

Matthew Morrison, Maggie Q, Yelawolf

Christina Applegate, Guy Ritchie, Jack's Mannequin

Armie Hammer, Jeri Ryan, T-Pain

Jane Fonda, Russell Brand, Lukas Nelson & Promise of the Real

Jeremy Renner, Judy Greer, Chevelle

Simon Cowell, Paula Abdul, Nicole Scherzinger & Antonio “L.A.” Reid, Anna Faris, The Kooks

Josh Holloway, Molly Sims, Death Cab for Cutie

Kathy Griffin, Jamie Bell, Young Jeezy

Robert Downey Jr., Lenny Kravitz