Last Night's Look: Hit or Miss?

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

JENNIFER LOPEZ

Black, white and hot all over, Jennifer flaunts her gams and her midriff in trouser shorts, a cropped blouse and plaid bolero, worn with H. Stern jewelry, Brian Atwood pumps and a Lauren Merkin clutch at Fox's American Idol Finalist party in Los Angeles.