Best song nominee — for “What Was I Made For?” from Barbie — Billie Eilish is known for her forward-thinking style, which looked wholly polished in this look by Thom Browne, consisting of a round-collar shirtdress that extended to ankle length and was topped by a demi-cup bodice with exposed seam binding and low-rise pencil skirt, both in black mohair, finished with Browne’s leather brogues and Calidor sunglasses by Oliver Peoples.