Justin Timberlake in Central Park {Season Premiere}
Beyonce in Central Park
Kevin Federline
Brad Garrett/Patrice Oneal
Andre Agassi/Kim Basinger
Jessica Simpson/Ron Livingston/Storm Large
Hugh Laurie/Tommy Lee
Orlando Bloom/Biance Ryan/Chi-Lan Lieu
Zach Braff/Outkast
The Rock/John Mayer
Julia Louis-Dreyfus/Bradley Whitford
Sir Elton John/Rainn Wilson
Dixie Chicks/Diane Lane
Sandra Oh/Josh Blue
Eva Longoria/Simon Baker/Cole & LD Miller
Matthew Perry/Kenny Chesney
Lauren Graham/Letoya/Emmitt Smith
Sting/Robert Downey Jr.
Howie Mandel/Chris Brown
Ashton Kutcher/Ludacris
Sheryl Crow/Christina Applegate *Breast Cancer Awareness*
Ted Danson/Robin Thicke/Jon Heder
Evangeline Lilly/Jesse Metcalfe
John Stamos/Andy Roddick/Prince Lorenzo Borghese
Marcia Cross/Rod Stewart/Mike Holmes
Leah Remini/Barry Watson/Monica
Wanda Sykes/Justin Chambers
Tiger Woods/America Ferrera
Allison Janney/Emeril Lagasse/Chingy
Calista Flockhart/Def Leppard
Bob Newhart, Amber Tamblyn, hypnotist Paul McKenna
Heidi Klum / John Krasinski
Jeff Corwin, Faith Hill
Hugh Jackman / Sarah McLachlan
Kirsten Dunst/Judge Joe Brown
Tina Fey/Katharine Heigl/Corrinne Bailey Rae
Annette Benning/JoJo
Amanda Peet/Rick Smith Jr.
Jon Cryer/Aaron Neville/Sharon Karriem
Tyra Banks, Barry Manilow
Patricia Arquette, Criss Angel, "Ghost Hunters" Jason Hawes and Grant Wilson
Roseanne, Carrie Underwood
Salma Hayek, wearer of the world's tallest Mohawk Aaron Studham
Sandra Bullock
Charlie Sheen, Tony Little, Richard Simmons
Russell Crowe, Hilary Duff
Emma Thompson, John Legend, the Flying Ace All Stars
Dustin Hoffman, Diddy, Hugh Hefner, Holly Madison, Kendra Wilkinson
Janet Jackson, Brittany Murphy
Martha Stewart, Shemar Moore, Stuart Whitehurst
Will Ferrell, James Blunt
Robin Williams, John Legend
Felicity Huffman, Bianca Ryan, 8-year-old skateboarding twins Tristan and Nic Puehse
Greg Kinnear, Tori Spelling
Penelope Cruz, Emmitt Smith
Bill Clinton, Jay-Z
Denzel Washington, Nathan Lane
Matt Lauer, Meredith Vieira
Matthew Broderick, Fred Willard, The Legends
Cameron Diaz, Chris Daughtry
Ben Affleck, Lucy Liu, Nathan Godsey
Ashley Judd, Snoop Dogg
Minnie Driver, Bob Proctor, John Assaraf
Masi Oka, Ali Larter, Hayden Panettiere, Sendhil Ramamurthy, Chris Kattan, dance squad "Diamonds N' Ruff"
Taye Diggs, Ciara
Jack Hanna, fitness trainer Bob Harper, Damien Rice
Emilio Estevez, Mike Holmes
Mel Gibson, Jo Frost, Mary J. Blige
William Shatner, Vanessa Marcil
Edward Norton, Anne Hathaway, The Fray
Jessica Biel, Shawn and Marlon Wayans
Dakota Fanning, Adam Beach, Natalie Cole
Kellie Pickler, Al Gore
Courteney Cox, John Mayer
Samuel L. Jackson, Eric Mabius
Matthew Fox, Martina Navratilova
Rob Lowe, Nick Graham
Jerry O'Connell, fitness trainer Bob Harper
Wesley Autrey, Hilary Swank
Patrick Dempsey, Indigo Girls, 11-year-old lizard whisperer Lily Capehart
Nicollette Sheridan, Terri and Bindi Irwin
Jennifer Love Hewitt, restaurateurs the Scotto family
The cast of "Little Miss Sunshine"
Paula Abdul
T.R. Knight, K.T. Tunstall
Meredith Vieira, Omarion, personal trainer Bob Harper
Donald Trump, Milo Ventimiglia
Steve Harvey
Judge Judy Sheindlin
George Lopez
Julie Andrews
Wanda Sykes, Jeff Corwin, Ellen's birthday
David Arquette, Bob Harper, 8-year-old piano prodigy Marc Yu
D.L. Hughley
Barbara Walters, Serena Williams, Gym Class Heroes
Diane Keaton
Jennifer Lopez
David Spade
America Ferrera, Keane, David Frei
Christina Aguilera
Rebecca Romijn, Bob Harper
Gwen Stefani
Queen Latifah, Jennifer Hudson, Nelly Furtado
Peter O'Toole, Dominic Monaghan, Keith Barry
Drew Barrymore, Jason Lewis, Lionel Richie
Forest Whitaker, Billy Blanks Jr.
Ryan Phillippe, Bob Harper, Katharine McPhee
Jimmy Kimmel
John Legend, John Travolta,
Jon Abrahams, Augustana, Sandra Bullock, Kyle Collier, Alana Etheridge, Jacob Hays, Laura Marano, Spencer Martin, Julian McMahon
Gina Glocksen, Corinne Bailey Rae, Leah Remini
Homaru Cantu, Ice Cube, Tim McGraw
Pink, Kurt Russell
Jeff Foxworthy, Patty Griffin, Mark Schulman
Anthony Hopkins, Stevie Nicks
Lauren Graham, Phil Stacey, Chris Richardson, Bon Jovi
Ellen in the Park
Mike Holmes, Antonio Banderas, Curtis Stone
Enrique Iglesias, Valerie Bertinelli
Orlando Bloom, Jason Randal, Joss Stone
Lin Charlie, Chris Daughtry, Charlie Liu, Debra Messing
Maroon 5, Katherine Heigl
Ashley Judd, Travis
Cheryl Hines, Holly Hunter, Jordin Sparks
