4 h Share with: Timothee Chalamet, Billie Eilish, Amanda Gorman and Naomi Osaka will co-chair this year's Met Gala. On Monday, the first Monday in May, the day on which the Met Gala is traditionally held, representatives for The Metropolitan Museum of Art confirmed who would be the celebrity co-chairs for the 2021 edition, which will take place on 13 September. The co-chairs will be the Oscar-nominated Call Me By Your Name actor, who is known for his daring fashion choices on the red carpet, Bad Guy singer Eilish, who recently shed her usual baggy clothing for a daring British Vogue cover, inaugural poet Gorman, and tennis star Osaka.