my girl SIENNA MILLER

Sienna Miller
Sienna Miller is, by her own admission, a jack-of-all-trades and master of…well, let her tell it: "I had to learn violin, which was a disaster," she said, discussing her preparations for the role of an artistically inclined heartbreaker at Tuesday night's Cinema Society screening of The Mysteries of Pittsburgh. "And I'm actually now a golfer—but not a very good one." This is in addition, of course, to being co-founder with her sister Savannah of the fashion line Twenty8Twelve. But there, too, the actress has her limitations. "My sister's the sketcher. I can barely draw a stick man, let alone a frock," she admitted. "I'll say, you know, can we get a top and make it that crinkly material? And she's like, 'organza.' I don't speak the jargon. But I have an aesthetic that she understands."Speaking of aesthetics, Miller made headlines during the film's shoot for dissing the Steel City, but co-star (and party co-host) Peter Sarsgaard, who was joined by his wife, Maggie Gyllenhaal, was upbeat. Favorite thing about Pittsburgh? "The names of the rivers—the Monongahela and the Allegheny," the actor said. "I'm a little bit of a Steelers fan."

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