Alicia Keys, Ray Romano

45 min

Hilary Duff, Debra Messing

45 min

George Lopez, Cast of ‘The OC’

45 min

Kanye West, Jeff Foxworthy

45 min

David Spade, Tommy Lee

45 min

Lauren Graham, Jeffrey Tambor

45 min

Melanie Griffith, Chris O’Donnell

45 min

Gwenyth Paltrow, Leah Remini

45 min

Charlie Sheen, Cynthia Nixon

45 min

Felicity Huffman, Megan Mullally

45 min

Donald Trump, Paul Reiser, Peter Falk

45 min

Johnny Knoxville, Carla Gugino

45 min

James Denton, Rachel Weisz

45 min

Nicollette Sheridan, Chi McBride

45 min

Jodie Foster, Nick Cannon

45 min

Alec Baldwin, Alyson Hannigan

45 min

Jennifer Garner, Michael Rapaport

45 min

Fran Drescher, Jerry O’Connell

45 min

Jennifer Love Hewitt, Jared Padalecki

45 min

Josh Duhamel, Joely Fisher

45 min

Jessica Alba, Noah Wyle

45 min

David Duchovny, Constance Marie

45 min

Cameron Diaz, Paul Walker

45 min

Matt LeBlanc, Vanessa Marcell

45 min

Matthew McConaughey, Wynonna Judd

45 min

Denise Richards, Sherri Shepherd

45 min

Bonnie Hunt, Naveen Andrews

45 min

Kevin Bacon, Sara Rue

45 min

Hilary Clinton, Kirsten Dunst

45 min

Jimmy Kimmel, Amy Brenneman

45 min

Meryl Streep, Jason Lee

45 min

Charlize Theron, Jeff Daniels

45 min

Dakota Fanning, Rod Stewart

45 min

Sharon Stone, Tyler James Williams, Sherri Shepherd

45 min

Barbra Steisand, Ashlee Simpson

45 min

Stevie Wonder, Susan Sarandon

45 min

Benjamin Bratt, Elisabeth Shure

45 min

Antonio Banderas, Kathryn Morris

45 min

Catherine Zeta-Jones, Sherri Shepherd, Dylan Walsh

45 min

Season 3 Halloween Show: Jane Kaczmarek, Emily Procter

45 min

Julie Bowen, Zach Braff

45 min

Jimmy Smits, Steve Zahn

45 min

Tour of Warner Bros. Studio

45 min

John Stamos, Ricky Martin

45 min

Neil Patrick Harris, Pamela Anderson

45 min

John Cusack, Jaime Pressly

45 min

Chad Michael Murray and Martha Stewart

45 min

Jake Gyllenhaal/Carmen Electra

45 min

Jennifer Aniston/Kenny Chesney/Hugh Laurie

45 min

Paul McCartney

45 min

Geena Davis, Ryan Reynolds

45 min

Reese Witherspoon, Terrence Howard, Hazel Smith

45 min

Robert Downey Jr., Maura Tierney, Suni Black

45 min

Mariah Carey, Evangeline Lilly, Marc Yu

45 min

Usher, Cyndi Lauper, Rosie Perez, the cast of "Rent"

45 min

Kim Cattrall, Bon Jovi, the Radio City Music Hall Rockettes

45 min

Matt Lauer, Tina Fey, Rachel Dratch, Amy Poehler

45 min

Gwyneth Paltrow, Leah Remini, Marc Cherry

45 min

Queen Latifah, Billy Joel

45 min

Patricia Heaton, Neil Diamond, Michael Sessions

45 min

Dennis Quaid

45 min

Jay Leno

45 min

Anthony LaPaglia, Ty Pennington

45 min

Harry Connick Jr., Wolfgang Puck

45 min

Courteney Cox, David Arquette, Daryl Hannah, Martina McBride

45 min

Ted Danson, Shakira, Aisha Tyler

45 min

Marg Helgenberger, Mekhi Phifer

45 min

Amanda Peet, Treat Williams, Vera Wang

45 min

Martin Sheen, Molly Sims

45 min

Diane Keaton, Colin Hanks

45 min

Jim Carrey, Bo Bice

45 min

Lindsay Lohan, Alicia Keys

45 min

Sarah Jessica Parker, Anthony Hamilton

45 min

The cast of "The Producers"

45 min

Téa Leoni/Enrique Murciano/Ginuwine

45 min

Tom Selleck/Kristin Chenoweth

45 min

Melina Kanakaredes/Anthony Anderson/Chris Brown

45 min

Steve Carell/Betty White/John Mayer Trio

45 min

Kanye West/Doug Savant

45 min

Patricia Arquette/Mekhi Phifer

45 min

Michael Chiklis/Rick Springfield

45 min

Dominic Monaghan/Matt Dillion

45 min

Billy Crystal

45 min

Greg Kinnear/Jean Smart

45 min

Kanye West/Anne Hathaway

45 min

Paula Abdul

45 min

Matthew Fox

45 min

Pierce Brosnan/Q'Orianka Kilcher/Heidi Klum

45 min

Constance Marie/Geoffrey Gallante

45 min

Colin Firth/Jenna Elfman

45 min

Alicia Silverstone/Shemar Moore

45 min

Martin Lawrence/Fred Savage/Sarah McLachlan

45 min

Mary J. Blige/Sherri Shepherd

45 min

Emma Thompson/Blair Underwood/Heather Headley

45 min

Jon Cryer/Jennifer Esposito

45 min

Jane Kaczmarek/Christopher Meloni

45 min

Jason Mraz/Sean Hayes

45 min

Teri Hatcher/Paul Bettany

45 min

Leah Remini/Neil Patrick Harris

45 min

Barry Manilow/30th High School Reunion

45 min

Queen Latifah/Bonnie Raitt

45 min

Nelly/Madonna

45 min

Harrison Ford/Faith Hill/Travis Stork

45 min

Heath Ledger/Sheryl Crow/Sherri Shepherd

45 min

Lauren Graham/Jeff Probst

45 min

Jason Biggs/Minnie Driver/Drew Lachey

45 min

Tyra Banks/Betty White

45 min

Keira Knightley/Paul Reiser

45 min

Alyson Hannigan/Penny Marshall/Rihanna and the Nike Dancers.

45 min

Simon Cowell/James Blunt

45 min

Samuel L. Jackson/Famke Janssen/Natasha Bedingfield

45 min

Dolly Parton/Stacy Keibler/John Krasinski

45 min

Marcia Cross/Rosie Perez

45 min

Steve Harvey/Hilary Duff

45 min

Dennis Quaid/Cowboy Mouth

45 min

Eddie Cibrian/Felicity Huffman

45 min

Carl Reiner/Rosanne Cash/Jennifer Love Hewitt/Sasha Cohen

45 min

Apolo Anton Ohno/Cast of

45 min

James Spader/Jennifer Finnigan

45 min

Martin Short/Emilie De Ravin/Three 6 Mafia

45 min

Robert Downey Jr./KT Tunstall/Amanda Bynes.

45 min

Tim Allen/Floetry

45 min

Donald Trump/Train/Michelle Rodriguez

45 min

John Edward/Julia Louis-Dreyfus

45 min

Freddie Prinze Jr./Chris Noth/Jammx Kids

45 min

Vin Diesel/Howie Mandel

45 min

George Lopez/Morgan Freeman/Natasha Bedingfield

45 min

Liza Minnelli/Orlando Jones

45 min

Brendan Fraser/Shakira/Sherri Shepherd

45 min

John Goodman/Tim McGraw/Kevin Covais

45 min

Kelsey Grammer/LL Cool J

45 min

Sharon Stone/DMC/Whoopi Goldberg

45 min

Jennifer Aniston/Scott Foley

45 min

Anjelica Huston/Justin Chambers

45 min

Rebecca Romijn/Stephen Collins/Les Stroud

45 min

David Spade/Catherine Keener/NE-YO

45 min

Ray Romano/Jeff Corwin/Kelly Monaco

45 min

Charlie Sheen/Pink

45 min

Jamie Foxx/Jeff Bridges/Bucky Covington

45 min

Randy Jackson/Rhea Perlman/Toby Keith

45 min

Wanda Sykes/Poppy Montgomery

45 min

Kiefer Sutherland/Maya Rudolph/Tanya Streeter

45 min

Rob Lowe/Kate Walsh/Teddy Geiger

45 min

Elton John/Kim Raver/Ace Young

45 min

Sally Field/Kenny Rogers/Jodelle Ferland

45 min

Roseanne/David Boreanaz

45 min

Robin Williams / Daniel Powter / Wentworth Miller

45 min

Michael Douglas/Jenna Fischer

45 min

Paris Hilton/Kellie Pickler/David Frei

45 min

Geena Davis/Nigel Lythgoe

45 min

Ryan Seacrest/Merv Griffin

45 min

Candice Bergen/Mekhi Phifer

45 min

Ellen Pompeo/Graig Ferguson

45 min

Luke Wilson/Shemar Moore/Paris Bennett

45 min

Samuel L. Jackson/Famke Janssen/Natasha Bedingfield

45 min

Lindsay Lohan/Chris Isaak/Ty Pennington

45 min

Cast of The West Wing

45 min

Tom Cruise/Jane Kaczmarek *Mother's Day*

45 min

Kanye West/Howie Mandel *Ellen in the Park*

45 min

Nick Lachey/Ron Howard/Chris Daughtry

45 min

Julie Andrews *Ellen Comes Home*

45 min

Diane Keaton/Paul Simon/Sherri Shepherd *500th Show*

45 min

Teri Hatcher/Harold Perrineau

45 min

Evangeline Lilly/Jamie Kennedy *Farewell to Tony*

45 min

Nicollette Sheridan/Michael Bolton/Omar Epps

45 min

Jack Black/Kristin Chenoweth

45 min

Randy Jackson/Paul Simon/Bill Clinton

45 min

Hugh Jackman/Flavor Flav

45 min

Vince Vaughn/ Taylor Hicks {Season Finale}

45 min