The Met Gala, opens the New York City Costume Institute's annual exhibit. This year it will be held on Monday 2 May. This year the exhibit will feature and honor British designer, Alexander McQueen, titled "Alexander McQueen: Savage Beauty" and be open to the public from 4 May to 31 July.
It's unknown at the moment if Kristen will actually be attending the Met Gala.
Read more on the Met here