Olivia Wilde rocked a gown featuring a cage at the Met Gala. The 42-year-old Don't Worry Darling star walked the red carpet in a Thom Browne gown at the 2026 Met Gala held at the Metropolitan Museum of Art on Monday (May 4) in New York City. What is Olivia Wilde wearing to Met Gala 2026? Olivia was styled by Karla Welch and emerged in an off-the-shoulder black dress with a long white tulle trailing from the back that features a cage.