Sienna Miller at 2010 British Film Festival Opening Ceremony in France

Sienna Miller is the Chicest Festival Judge Around

Sienna Miller threw a gorgeous Chanel bag over her shoulder and stepped out for last night's British Film Festival opening ceremony in Dinard, France. It was the official start of the event, though she actually kicked off her duties as a judge the day before. Sienna is embarking on another high-profile few days after her busy London Fashion Week, where she showed off the latest Twenty8Twelve collection and joined her fellow bedheaded blondes in the front rows. 

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Source: Getty