It's been a big year for Vanessa Hudgens. In addition to starting a new romance with actor Austin Butler, the former High School Musical star chopped off her long dark hair and gained weight for her upcoming role in Gimme Shelter.PHOTOS: SEE VANESSA'S RED CARPET EVOLUTION

But that hasn't stopped Hudgens, who turned 23 on Wednesday, from rocking some of her sexiest and most daring looks yet.

EXCLUSIVE VIDEO: Vanessa complains about her short haircut

While she still loves boho-chic ensembles, the actress stepped out in more polished, sophisticated designer duds, including a red Marchesa stunner and  a chic Quotum by Ossie Clark wrap dress.

PHOTOS: Biggest celeb hair makeovers of 2011

Click through to see how her look has changed over the years!

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