Baietii 'Glee', Cory Monteith, Chris Colfer, Kevin McHale si Mark Salling o vor ajuta pe Katy Perry cu show-ul.Mai tarziu vor canta printre altii Jason DeRulo,Travie McCoy si Bruno Mars.
Taylor Lautner si Robert Pattinson din franciza Twilight vor aparea ca 'participanti',ca si Jane Lynch, Channing Tatum, Ellen DeGeneres, Josh Hutcherson, Cat Deeley, Keke Palmer,cast-ul “Big Time Rush,” David Archuleta, Kristen Bell, John Cena, Miranda Cosgrove, Zac Efron, Ashley Greene, Victoria Justice, surorile Kardashian , Zachary Levi, Leighton Meester, Jim Parsons, Ryan Sheckler, Yvonne Strahovski si Shailene Woodley.
Traducere:HME
