Over the weekend, Blake Lively, Leighton Meester, Ed Westwick and the Gossip Girl cast celebrated 100 episodes at Cipriani Wall St., Luc Carl and George Seville opened Ludlow Manor- complete with palm trees and topless mermaids, Charlize Theron attended the premiere of "Young Adult", Chrissie Miller and Charlotte Ronson hit up the opening of 143 and so much more. Last night's parties were all about openings. - - - [Photo via BFA]