Annie Gautrat, better known by her stage name Stone (born in Paris on 31 July 1947) is a French singer and actor, and very notably part of the musical duo Stone et Charden with her then-husband Éric Charden. the duo were famous in the 1970s with many hits in France and internationally.In 1966, Gautrat (Stone) was taking part in the "Miss Beatnik" competition where Éric Charden was a member of the jury. They were acquainted after the competition and got married the same year.