As guests arrived at the Grand Palais on 6 October Chanel’s somewhat scaled-back SS21 show, one attendee stood out in the crowd of black ball gowns and bouclé suits: Lily-Rose Depp, the French-American actor, model and longtime ambassador for the Parisian fashion house, who stunned in a powder-pink jacket paired with an embellished tube top, high-waisted denim and a gold belly chain — a gen-Z take on the brand’s classic codes that went viral within the hour.