Last Night's Look: Hit or Miss?

Vote on this week's styles including Sienna Miller, Nicole Richie and more stars! You decide – are they fashionistas or flops?

  • SIENNA MILLER  photo | Sienna Miller

Credit: Jeff Snyder/PictureGroup

Updated: Saturday Aug 08, 2009 | 06:00 AM EDT

SIENNA MILLER

Continuing her fashionable tour, Miller balances a vintage-inspired pleated-top frock with edgy studded booties at the Army & Air Force Exchange Service-hosted premiere of G.I Joe: The Rise of Cobra.