Sister Smile original title Sur Sourire is a BelgianFrench biographical drama film directed by Stijn Coninx and written by Coninx, Ariane Fert and Chris Vander Stappen. The film stars Ccile de France as Jeanine Deckers also known as The Singing Nun. The film won the Magritte Award for Best Costume Design.
Later Deckers discovers the truth and eventually gets fed up with obeying the other nuns. She leaves the monastery and moves in with a lesbian girlfriend of hers. Deckers desperately tries to get her career back on the road, but she hears shes unable to use her stage name Soeur Sourire, because the monastery owns the rights to it. She starts performing under her own name, but due to her controversial songs about birth control nobody wants to sign her anymore for concerts. Deckers is reduced to singing in small strip clubs and gets depressed. Rejected by both the monastery and her own family she spends her final years with her lesbian girlfriend and commits suicide in her company.
Source: Wikipedia