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: Toby Melville/Reuters/Landov

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

SIENNA MILLER

We see London! The Brit gets stylish onboard the HMS Belfast, striking a pose in front of Tower Bridge in a white button-up with gold piping, navy trousers and multi-colored platforms.