Last Night's Look: Hit or Miss?

Vote on this week's styles including Rachel, Gwyneth and more stars! You decide – are they fashionistas or flops?

JENNIFER LOPEZ

PEOPLE's most beautiful woman flaunts her famous abs a flowered Christian Cota bandeau top, jacket and navel-baring Tibi trousers with Sutra Jewels cuff and Jimmy Choo platforms to launch her album Love? and BlackBerry's PlayBook in L.A.