Footlights and Fools (1929)

A musical comedy star named Fifi D'Auray is famed for her Gallic charm, though she is really one Betty Murphy. She won't marry her fiance, Jimmy, until he stops gambling and gets honest work. As Fifi, she has rich playboy Gregory obsessed with her, and he goes to lengths to please her, even getting Jimmy a position as treasurer of his theatre. A robbery there is pinned on Jimmy, and Fifi believes that Gregory had set a trap for him.