Best Worst Dressed

Sleeves, Please

UPDATED 09/25/2006 at 01:00 AM EDT • Originally published 09/25/2006 at 01:00 AM EDT

MISCHA BARTON in Roberto Cavalli at a party for the designer in California.

KATE BOSWORTH in Gucci at the U.K. premiere of Superman Returns.

CHARLIZE THERON in Bottega Veneta at the Spirit of Independence Awards in L.A.