has already delivered a slew of breathtaking red-carpet looks, including Elle Fanning’s for the opening ceremony and Naomi Campbell’s crimson Valentino gown with a pink feathered cape at the Killers of the Flower Moon screening. However, Natalie Portman’s arrival at the May December premiere in a glittering custom Dior number that’s an ode to a museum piece really captivated die-hard fashion enthusiasts.’s ivory strapless gown—meticulously adorned with ornate beading and featuring a layered skirt reminiscent of a fan of eyeless peacock feathers—is inspired by the Junon dress that himself created for his 1949-1950 autumn/winter collection (named after the Ancient Roman goddess, who was wife to Jupiter and patron goddess of Rome).