Just when Cannes 2026 thought it had seen all the glamour, Mouni Roy arrived with one last fashion hurrah and gave us a full-blown style fantasy. She closed her Cannes chapter on a dreamy note, floating in a dramatic blue-and-white gown layered with ruffles, soft glam, and a crazy diva energy. She never shied away this time and proved once again that when it comes to red carpet dressing, she indeed owned the moment.