Since 2012, Hedi Slimane has brought his signature rock ‘n’ roll vibe to the house of Saint Laurent. From baby-doll frocks to tailored jumpsuits, and crystal-embellished gowns, his clothes became the go-to for cool women everywhere. Salma Hayek | Image: Getty Gwyneth Paltrow | Image: Getty Dakota Johnson | Image: Getty Rosie Huntington Whiteley| Image: Getty Cara Delevinge | Image: Getty Sienna Miller | Images: Getty Dakota and Ellie Fanning | Image: Getty Milla Jovovich | Image: Getty Nicola Peltz | Image: Getty Kate Moss | Image: Getty Hailee Steinfeld | Image: Getty Margot Robbie | Image: Getty