The Singing Nun

Jeanne-Paule Marie Deckers, religious name Luc Gabriel,, better known as Sœur Sourire and often called "The singing nun" in English-speaking countries, was a singer-songwriter and former member of a community of the Third Order of Saint Dominic. In 1963, she acquired widespread fame with the release of the Belgian French song Dominique, which topped the US Billboard Hot 100 and other charts, along with her debut album.