Timothee Chalamet will always deliver on the red carpet. The star is as much a fashion obsessee as he is a movie star. Stewart's risk-taking ensemble wasn't without its polish. She wore a custom Chanel black satin jacket and matching shorts, paired with a white chiffon blouse-left unbuttoned in Stewart's signature, disheveled-cool way-and simple black pumps. When I was offered my job at Vogue...