Isabelle Geffroy, known professionally as Zaz, is a French singer and songwriter who mixes jazz, French variety, soul and acoustic. She is best known for her single "Je veux", taken from her self-titled debut album, released on 10 May 2010. She has six studio albums: Zaz, Recto verso, Paris, Effet miroir, Isa, and Sains et saufs as well as two live albums: Sans tsu tsou and Sur la route. Worldwide as of February 2023 Zaz has sold over 5 million albums, including 2 million outside France.