What to wear for Mabel: The trailer of Hulu's Only Murders in the Building series showcases Selena Gomez's character, Mabel, in this '70s-inspired outfit — and we're obsessed! To achieve Mabel's mood-boosting style, try out plaid trousers, a mustard sweater, and a very cute, cropped, furry coat. Oh, and don't forget to accessorise with Mabel's matching knit beanie, round sunglasses, gold hoop earrings, and brown combat boots.