BeyoncéPhoto: Patrick McMullan

Last night at the premiere of Obsessed, in which Beyoncé plays her first non-singing role, she laughed when we asked about her hilarious SNL "Single Ladies" spoof with Justin Timberlake in tights and heels. "He can do the choreography better than me," she said, cracking up. "Which made me really, really jealous." View our Party Lines slideshow for more star obsessions.