Last Night's Look: Hit or Miss?

Vote on this week's styles including Anne Hathaway, Jennifer Lopez and more stars! You decide – are they fashionistas or flops?

MARY-KATE OLSEN

Also celebrating the boutiques.com launch: The queen of boho dressing herself, who arrives in a trench-topped patterned tunic over patterned tights, which she pairs with ankle booties and a mini cross-body purse.