"Project X" premiere in Los Angeles (28 images)

Screenwriter Michael Bacall attends the premiere of the film "Project X" at the Grauman's Chinese Theatre in the Hollywood section of Los Angeles on February 29, 2012. UPI/Phil McCarten

Cast member Thomas Mann attends the premiere of the film "Project X" at the Grauman's Chinese Theatre in the Hollywood section of Los Angeles on February 29, 2012. UPI/Phil McCarten

Executive producer Joel Silver attends the premiere of the film "Project X" at the Grauman's Chinese Theatre in the Hollywood section of Los Angeles on February 29, 2012. UPI/Phil McCarten