Don’t worry darling, Olivia Wilde is back at the Met. The actress arrived on the Met Gala red carpet on Monday evening, wearing a black off-the-shoulder Thom Browne dress complete with a caged white tulle train. Styled by Karla Welch, Wilde skipped the jewelry and wore her blond hair in down in beach waves. Olivia Wilde wore a black off-the-shoulder Thom Browne dress on the Met Gala 2026 red carpet. Getty Images The gown was complete with a caged white tulle train. Getty Images The actress was styled by Karla Welch for fashion’s biggest night. Getty Images for The Met Museum/Vogue The show-stopping gown nodded to the theme of this year’s Costume Institute fundraiser fête, “Costume Art.” According to the Met , the corresponding museum exhibit “explores depictions of the dressed body across The Met’s vast collection, pairing garments with artworks to reveal the inherent relationship between clothing and the body.” Experience the Met Gala through the eyes of the front row — follow Page Six on Instagram to watch…