The documentary is about the actresses life, made by her daughter Charlotte Gainsbourg.
The beloved actress has made a number of public appearances this summer, appearing in good health.
She walked the red carpet at Cannes in July, and was pictured at Francofolies music festival in La Rochelle.
Jane also attended the Angouleme French-Speaking Film Festival in France with her daughter Charlotte last month.
www.express.co.uk
