Allison Williams Is The Lady in Red For Met Gala 2015

Allison Williams was turning everyone’s heads at the 2015 Met Gala held at the Metropolitan Museum of Art on Monday (May 4) in New York City.

The 27-year-old Girls actress dolled up in a very beautiful and very red ball gown for the annual event.

PHOTOS: Check out the latest pics of Allison Williams

“Starting off Met Ball prep with a Diet Coke that is literally the size of my face. #NotSponsored #JustAWeirdo #MetGala #LetsDoThis,” she wrote with the pic. Check it out below!

This year’s Costume Institute Gala Benefit – celebrating the opening of the China: Through the Looking Glass exhibition – is co-chaired by Jennifer Lawrence, Chinese actress Gong Li, Vogue editor Anna Wintour, and others.

FYI: Allison wore a stunning Giambattista Valli Haute Couture dress with Mariela Montiel by Unuezter shoes and Fred Leighton jewels.