22. BEST: Leighton Meester brought out the bombshell for the Los Angeles premiere of The Roommate. The Gossip Girl wore a Pre-Fall 2011 Michael Kors collection black chiffon jersey leather cut out gown with Harry Winston earrings and Brian Atwood heels. 2. New dad Mario Lopez declared that he loved the new SWAGGTM application because “I’m a busy guy and this makes shopping so much easier!”