Last Night's Look: Hit or Miss?

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

  • SIENNA MILLER  photo | Sienna Miller

Credit: Sean Gallup/Getty

Updated: Friday Jul 24, 2009 | 11:35 AM EDT

SIENNA MILLER

The actress goes casual chic in a loose gray Division E tank and pleated black Dries Van Noten trousers accessorized with a long printed scarf, bold bangles and green suede Chloé peep-toe pumps at the Berlin photo call for G.I. Joe: The Rise of Cobra.