Ashley Greene is gorgeous in a Donna Karan Atelier white grecian gown at the 2012 Met Ball held at the Metropolitan Museum of Art on Monday (May 7) in New York City.

“Happy MET BALL day :) can’t wait for everyone to see the exquisite gown Donna Karan created for me! It’s incredible!” the 25-year-old Twilight actress tweeted earlier in the day.

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Just last week, Ashley returned from re-shoots in Vancouver for The Twilight Saga: Breaking Dawn – Part 2.

Ashley completed her look with Jacob & Co. Chandelier Tassel Earrings and Flower Diamond Ring, and Casadei heels.