What is the Met Gala? It's an an annual, invitation only-event to raise money for the Metropolitan Museum of Art's Costume Institute in New York and it is attended by roughly 550 guests. The cost of attending the Met Gala is US$35,000 per person (or US$200,000 to US$300,000 per table). According to the New York Times, at least some celebrities don't have to buy the ticket, with brands often paying for the table.