Locsin was launched to stardom in Regal Films' Disgrasyada (1978) which became a huge box-office hit. Since then, she was given roles which are sexy like Menor de Edad (1979), Love Affair (1979), Ina, Kapatid, Anak (1979), Rissa Jones (1979), Stepsisters (1979), Waikiki (1980), Disco Madhouse (1980), Manila by Night (1980), Unang Yakap (1980), Kambal sa Uma (1980), Kasalanan Ba (1981), among others