Last Night's Look: Hit or Miss?

Vote on this week's styles including Kate Moss, Jessica Simpson, Leighton Meester and more stars! You decide – are they fashionistas or flops?

MARY J. BLIGE

The singer breaks up her black-leather look with Lorraine Schwartz baubles and python purse at the jewelry designer's N.Y.C. 2BHAPPY extravaganza.