Kaycee Stroh, Jessica Stroup, Shenae Grimes, Luke Ford, Mitchel Musso with Moises Arias, Jennifer Stone, Olivia Wilde, Minka Kelly, Niecy Nash with children, Jerry OConnell, Josh Duhamel, Phoebe Price, Stephanie Pratt, Tia Mowry, Cory Hardrict, Brittany Snow, Rachel Bilson, Selena Gomez, Brenda Song, Drake Bell with guest (+), Thomas Dekker, Summer Glau with guest (+), The Cheetah Girls cast (+), Adrienne Bailon (+), Kiely Williams (+), Sabrina Bryan (+), Hayden Panettiere, Miranda Cosgrove, Brian Austin Green, Clique Girlz, Danica Patrick, Joy Lauren, Chris Brown, Chad Michael Murray (+) with Kenzie Dalton, Katharine McPhee, Meaghan Martin, David Archuleta, Sophia Bush (+), Kristen Bell, Rainn Wilson, Fergie, Scarlett Johansson, Channing Tatum (+), Jenna Dewan (+), Will Smith, Jaden Smith, Trey Smith, Zac Efron (+), Vanessa Hudgens, Natasha Bedingfield, James Marsden (brief), Chace Crawford (+2), Lil Mama, Jessica Szohr, Demi Lovato, Josh Holloway, Lauren Conrad (+2), David Cook, Neal Tiemann, Randy Jackson with family, Leighton Meester (+), Brooke Lyons, Ed Westwick, Jonas Brothers, Kevin Jonas, Joe Jonas, Nick Jonas (+), Anna Maria Perez de Tagle, Blake Lively, JoJo (singer), Ryan Sheckler with guest, Miley Cyrus with mother Tish Cyrus, Michael Urie, Jesse McCartney with sister Lea Joyce McCartney, Jordin Sparks, Kim Kardashian
---------- ------------- ------------- ------------- ------------ ------------Drake Bell (cont), Sophia Bush (cont), Channing Tatum (cont), Chad Michael Murray (cont), The Secret Life of the American Teenager cast (Greg Finley, Daren Kagasoff, Megan Park, Shailene Woodley, Francia Raisa, Kenny Baumann, Renee Olstead, India Eisley), Leighton Meester (cont)
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Chace Crawford (cont 1), Lauren Conrad (cont 1), David Beckham, Jonas Brothers (cont 1)