Olivia Wilde brought one of the night's most sculptural looks to the 2026 Met Gala . On Monday, the Booksmart director wore a Thom Browne gown built around a structural cage at the back. Wilde seemed well aware of the logistical challenges the design presented. Prior to the event, she took to her Instagram Story on Monday, joking, "Mentally preparing for the Met by practicing not ever sitting down or having to pee," per E News. The appearance marked another chapter in Wilde's long history of committing to the Met Gala's themes. She first attended the event nearly two decades ago, making her debut at the 2007 "Poiret: King of Fashion" exhibit in a black halter dress. In 2015, she leaned into the "China: Through The Looking Glass" theme with a pink Prada gown embellished with large gems, paired with bejeweled black gloves and a matching clutch.…