Serena Williams stole the show at the Met Gala

Serena Williams was one of many professional athletes who traded in their workout clothes for ballgowns at the Met Gala on Monday night. She appeared with fiance Alexis Ohanian at the event. Thanks to a Snapchat snafu last month, she announced the two were expecting their first child.

EPA

EPA

Getty Images

She also posted a behind-the-scenes look of some fun she had posing inside the gala on Snapchat:

Snapchat

Snapchat