Overview
Be Beautiful But Shut Up is a French black-and-white crime comedy film made in 1958, directed by Marc Allégret.
The film features Alain Delon and Jean Paul Belmondo in early roles as members of a gang.
It was also known as Blonde for Danger.
Plot
The protagonist, played by Mylène Demongeot, is a teenage female orphan who after escaping from her detention center joins a gang of Parisian burglars, but then by coincidence meets a young police inspector (played by Henri Vidal) with whom she falls in love, marries and starts a decent life.
From Wikipedia (CC BY-SA 4.0).