Jealous
Jalouse (original)
A divorced teacher suddenly becomes jealous of everyone, including her daughter, friends and neighbors.
Starring Karin Viard, Anne Dorval, Anaïs Demoustier, Dara Tombroff, Thibault de Montalembert, Bruno Todeschini, Marie-Julie Baup, Corentin Fila, Xavier de Guillebon, Éva Lallier
It's a comedy and drama movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Singapore.