Chanel hosted a dinner party and an all-out fete for the reopening of its SoHo boutique on Thursday, the first night of New York Fashion Week. Karl Lagerfeld's muses were in attendance, including Diane Kruger, Blake Lively and Jessica Stam, and fashion mainstays like Sarah Jessica Parker and Rachel Zoe rounded out the guest list. Oh, and did we mention we were there? That's another story. Check out who wore what and tell us what you think.