Girlicious Basic Element Ian Carey September Prima J To Be Juliet'S Secret Count The Stars Dane Cook Kat Graham Tami Chynn Sunscreem Lucky Date Alaine Die Atzen Kate Voegele K. Michelle Mr. C The Saturdays Pm Dawn Berlin - Take My Breath Away Brick & Lace Julie Roberts Courtney Jaye Pussycat Dolls Red Wanting Blue Los Lobos-La Bomba Lady Gaga Luke Doucet Nikki Flores Tift Merritt Casey Hogan Kathleen Edwards Plastic City Melissa Mars Danity Kane Katy Perry Kerli Yael Naim Cassie Lil Kim Zac Efron Bow Wow N.E.R.D. Basshunter Neptunes The Faint Black Eyed Peas Britney Spears Timbaland