By Sharon Clott Kanter
Updated Jan 19, 2012 @ 1:20 pm
Credit: Mike Coppola/WireImage

Justin Bartha and Elizabeth Banks joined Ewan McGregor and Gina Carano to celebrate their new film Haywire at a party hosted by the Cinema Society and Blackberry Bold in New York City. See Alexa Chung, Emma Stone, and more stars at last night's hottest parties in the gallery!