Over the weekend in NYC, Christian Bale, Amy Adams, Bradley Cooper and Jeremy Renner joined David O'Russell for the world premiere of "American Hustle," Nicole Richie and Jinwoo So celebrated the launch of the mobile fashion and shopping app Styletag at Henri Bendel, Kelly Rutherford and June Ambrose stopped by the Verdura flagship for the launch of Cathleen Smith Bresciani's new holiday book, and more!