Last Night's Look: Hit or Miss?

Vote on this week's styles, including Ashley Tisdale, Leighton Meester and more stars! You decide – are they fashionistas or flops?

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OLIVIA PALERMO

She may be loving the '70s look for fall, but Olivia's long-sleeve, below-the-knee glittering frock and ruby sandals make a glam statement at the Montblanc event in Monte Carlo.