Last Night's Look: Hit or Miss?

Vote on this week's styles including Sienna Miller, Nicole Richie and more stars! You decide – are they fashionistas or flops?

JENNIFER LOPEZ

After glamming it up for her 40th birthday, the star goes beach chic in a leaf-printed tunic, gold-tinted aviators and loose pigtails while enjoying some vacation time in Capri, Italy, with husband Marc Anthony.

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