Maddy Lennon / Just Jared: Margot Robbie is Beautiful in Golden Draped Chanel Gown at Met Gala 2026 - Margot Robbie looks gorgeous in a golden Chanel dress at the 2026 Met Gala held at the Metropolitan Museum of Art on Monday (May 4) in New York City. - The 35-year-old actress stepped out in a long draped gown adorned in ruffles and flowers.