***NO GERMANY / SWITZERLAND***.Sienna Miller looks casual in a sloppy dark grey jumper as she leaves the Theatre Royal Haymarket after performing in Flare Path, she still manages to sign autographs for fans. (Bauer Griffin)more pics » Sienna Miller Sienna Miller
wore acid washed skinny jeans with her sweater for her casual chic night out ensemble. Her sneakers topped off the cute boyish look.
Sienna pulled her hair up in a casual bun. Her face looked fresh with minimal makeup.
We've spotted other celebrities with a similar look, including Victoria Justice, Ashley Greene, and Elle MacPherson. Check out all 60 pictures in the Skinny Jeans Lookbook
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