Emma Stone is all smiles as she arrives at the 2012 Met Ball held at the Metropolitan Museum of Art on Monday (May 7) in New York City.

The 23-year-old actress wore a bright cherry red satin dress with hand embroidered crystal flowers and crystal hair pins, both custom made Lanvin creations by Alber Elbaz (also pictured), with black gloss leather pumps from the Hiver 2011 Runway Collection.

PHOTOS: Check out the latest pics of Emma Stone

Over the weekend, Emma and Olivia Wilde were spotted at the 15th Annual EIF Revlon Run/Walk for Women in New York City.

“It’s an issue very close to my heart,” Emma told the crowd at the event. “Having watched a loved one battle cancer and all of the emotions and the realities that it brings with it.”