Tralala
Starring Mathieu Amalric, Mélanie Thierry, Josiane Balasko, Jalil Lespert, Maïwenn, Denis Lavant, Bertrand Belin, Galatéa Bellugi, Joseph Brisset, Balthazar Gibert
It's a comedy and music movie, and has a rating of 5.8 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from United Kingdom.