[citation needed] Her first play, "Le Vieux Juif blonde" is today studied at Harvard University.

[citation needed] Sthers wrote and directed the movie Je vais te manquer in which she directed Carole Bouquet, Michael Lonsdale, and Mélanie Thierry.

[citation needed] At the 2017 Zurich Film Festival, Madame, a feature film that she wrote and directed in English was screened, starring Toni Collette, Harvey Keitel, and Rossy de Palma.

On 21 September 2004, Sthers married singer and actor Patrick Bruel.

Sthers moved to Los Angeles with her two children in 2017 where she started a film production company.