Cast:
Katy Perry, Shannon Woodward, Rachael Markarian, Mia Moretti, Glen Ballard, Adam Marcello, Casey Hooper, Patrick Matera, Max Hart, Kesha, Joshua Moreau, Lauren Allison Ball, Tasha Layton, Leah Adler, Lockhart Brownlie, Anthony Burrell, Lexie Contursi, Ashley Ashida Dixon, Brandee Evans, Bryan Gaw, Malik Le Nost, Scott Myrick, Cassidy Noblett, Bradford Cobb, Johnny Wujek, Steven Jensen, Todd Delano, Tamra Natisin, Angela Hudson, Ann Hudson, David Hudson, Keith Hudson, Mary Hudson, Mark Hunter, Angelica Cob-Baehler, Jason Flom, Adele, Jessie J, Rihanna, Justin Bieber, Rebecca Black, Alan Carr, Lauren Christy, Darren Criss, Ellen DeGeneres, Graham Edwards, Whoopi Goldberg, Baz Halpin, Erica Hill, Lucas Kerr, Heidi Klum, Avril Lavigne, Bonnie McKee, Alanis Morissette, Dermot O'Leary, Britney Spears, Scott Spock, Chris Wragge, Russell Brand
