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Sienna Miller has had quite the summer. She admitted she's lazy when it comes to personal hygiene, she called a radio-host a douche-bag and she started dating a DJ with douche-bag name: Slinky Wizard is no Balthazar Getty.
But as much as people hate on the blonde Brit, you gotta admit she looked like a polished party princess at Vogue's The September Issue premiere. We'd never want to mimic her outlook on men or showering, but here's how to get Sienna's stylish look for less: