Cause of death: breast cancer
Rose Laurens, previously billed as Rose Merryl (born Rose Podwojny; 4 March 1951 – 29 April 2018), was a French singer-songwriter, known for her 1982 single "Africa", a top-three hit in several European countries. She was also famous for portraying the character of Fantine, on the original 1980 French concept album of Les Misérables, singing "L'air de la misère" and "J'avais rêvé d'une autre vie" two songs later adapted into English as "On My Own" and "I Dreamed a Dream" respectively.
Source : Wikipedia