Emma Watson was only 11 years old the year the first Harry Potter movie was released -- and today, she turns 22!

Hard to believe the adorable little Hermoine Granger is now a full blown adult ... and she's got the fashion sense to prove it.

Over the years, Watson has proved she can not only act, but also hit the red carpet in outfits that will have people talking for all the right reasons.

Check out how her style has changed through the years -- and be sure to see her sexy makeover on the set of her latest flick, "The Bling Ring," here.

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