Kristen Stewart's Style Evolution

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From tomboy to fashion icon, Kristen Stewart has made a red carpet 180 in just a few short years.
As an 18-year-old newbie, the Twilight Saga star appeared downright uncomfortable as cameras flashed on her non-designer duds, often pairing sneakers with her outfit of choice.
The now 22-year-old has been known to slip off her heels for flats after a premiere, but there's no question Kristen has upped her style game.
Zanna Roberts Rassi, Senior Editor of Marie Claire, takes us through the star's ever-evolving fashion and her hottest looks to date.
Watch the video for more!