When it comes to Emma Watson's newest flick, our favorite perk is seeing the beautiful Brit light up red carpets from Los Angeles to New York.

At Thursday's NYC Cinema Society screening of "The Perks Of Being A Wall Flower," Watson didn't disappoint. The 22-year-old "Harry Potter" star was all grown up, wearing a white halter-neck minidress -- showing off quite a bit of leg and flashing a little sideboob in the process.

Watson's skin-baring ensemble comes on the heels of another flashy red carpet appearance. She avoided a total nip slip by covering up with a pair of visible "nipple daisies" at the Hollywood premiere earlier this week.

Check out Watson's daring look below:

emma watson sideboob

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