Isabelle Geffroy (born 1 May 1980), known professionally as Zaz, is a French singer and songwriter who mixes jazz, French variety, soul and acoustic. She is known for her single "Je veux", taken from her self-titled debut album, released on 10 May 2010. Worldwide Zaz has sold over 5 million albums, including 2 million outside France.

Source: Wikipedia (https://en.wikipedia.org/wiki/Zaz_(singer))