10 A-List Couples Who Turned The Met Gala Into Date Night

Fashion aside, the most exciting red carpet moment came when rapper 2 Chainz dropped down on one knee to propose to his longtime partner, Kesha Ward. The couple already have three children together, and often refer to each other as "husband" and "wife," but haven't actually tied the knot. She obviously said "yes!" - now if only they could get Pope Rihanna to officiate...