Hedi Slimane Is Out at Celine—and This American Designer Is In

Hedi Slimane, the high priest of the skinny silhouette, is officially exiting Celine. And his replacement is already suiting up. Several hours after the Slimane news, Celine named the American designer Michael Rider as the French house’s new artistic director.

Rider was most recently creative director of Polo Ralph Lauren, which he departed in May. His long-rumored appointment is a homecoming of sorts: Rider spent a decade at Celine as a design director of ready-to-wear, working under…