"On their wedding day, circa March 20, 1968, Sharon Tate and Roman Polanski were photographed beneath the gray London sky as they emerged from the Chelsea Registry Office, newly married and radiating the aura of a modern, cinematic couple on the rise. Tate, 25, wore an ivory moiré silk minidress with a Peter Pan collar designed by Ozzy Clark, paired with white tights and delicate heels—a striking symbol of 1960s fashion rebellion. Polanski, then 34 and flush from directing Repulsion and Cul-de-S