Last Night's Look: Hit or Miss?

Vote on this week's styles including Katherine Heigl, Kim Kardashian and more stars! You decide – are they fashionistas or flops?

JENNIFER LOPEZ

After filming scenes for The Back-Up Plan, the actress hits the streets of N.Y.C. in a flowing white Enza Costa skirt, Dsquared sunglasses and a luxe Adriana Castro purse.