Watch: Step Inside NYC's Pierre Hotel, Where Celebs Get Ready for Met GalaNicole Kidman's daughter Sunday Rose is already making history at Met Gala 2026. Despite it being her first-ever Met Gala, the 17-year-old broke the fashion fundraiser's age limit rule-requiring its attendees to be 18 years old or older-when she joined her mom at New York City's Metropolitan of Art on May 4. But an exception was likely made for Sunday, as Nicole was co-chairing the party alongside Beyoncé, Venus Williams and Vogue editor Anna Wintour.