After her contract with Great Wall expired in 1958, Loh defected to Shaw Brothers Studio, which gave her more important roles. In "The Magic Touch" (妙手回春, 1958), her first film with Shaw Brothers, her performance as the famous fictional beauty Lin Daiyu earned her the nickname "Classic Beauty". Her 1960 film "The Enchanting Shadow" was a breakout success. It received an enthusiastic reception at the 1960 Cannes Film Festival, whose jury praised her as "China's most beautiful actress". In 1963, she played Zhu Yingtai, the female lead in the blockbuster "The Love Eterne" directed by Li Han-hsiang. It was considered her signature piece, and she won the Golden Horse Award for Best Leading Actress for her performance.