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: