By InStyle Staff
Updated Sep 17, 2009 @ 9:00 am
Advertisement
Fashion week
Credit: Imaxtree; Chance Yeh/PatrickMcMullan; Dimitrios Kambouris/WireImage

Gossip Girl fashionistas Blake Lively and Leighton Meester lined the front rows at several of the week's hottest shows. Plus new runway from Michael Kors, Oscar de la Renta, Tory Burch and more!