braved the cold to celebrate the opening of
Mercedes-Benz Fashion Week at the Shang nightclub. "I was going to do it
bare legged," she said of her Yigal Azrouel ensemble, "but then I realized
that this is New York so I'm rocking some sweet American Apparel leggings."
Trachtenberg, along with Brittany Snow
and Katie Lee Joel
took in an intimate performance by The Virgins while drinking spicy mango
cocktails named after her outfit's designer.See more stars on Day 2 of NY Fashion Week