<P> The Met Gala , formally called the Costume Institute Gala and also known as the Met Ball , is an annual fundraising gala for the benefit of the Metropolitan Museum of Art 's Costume Institute in New York City . It marks the grand opening of the Costume Institute 's annual fashion exhibit . Each year 's event celebrates the theme of that year 's Costume Institute exhibition , and the exhibition sets the tone for the formal dress of the night , since guests are expected to choose their fashion to match the theme of the exhibit . </P>
where does the money go from the met gala
the Metropolitan Museum of Art 's Costume Institute in New York City