Golden Eighties
Starring Myriam Boyer, Delphine Seyrig, Fanny Cottençon, Lio, Pascale Salkin, Charles Denner, Jean-François Balmer, John Berry, Nicolas Tronc, Roselyne Brunet
It's a comedy and music movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.