Last Night's Look: Hit or Miss?

Vote on this week's styles including Khloe Kardashian, Halle Berry and more stars! You decide – are they fashionistas or flops?

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JENNIFER LOPEZ

Now, that's how to beat the Miami heat! J.Lo keeps her cool at the Hispanic Heritage Celebration in Florida in billowy white trousers and a silk tank paired with turquoise earrings matched to her platform sandals.