Billie Eilish stunned onlookers at The Metropolitan Museum of Art’s Costume Institute benefit gala in New York wearing a unique Simone Rocha-designed outfit. This year’s Met Gala served as a platform to highlight Irish fashion with three Irish designers and an embroidery expert making an appearance on the event’s highly anticipated red carpet. This event is widely considered the most important night in fashion, and Eilish’s one-of-a-kind look proved to be a standout. Discover more about the night’s fashion highlights and get the details on Billie’s show-stopping ensemble.