Lady of the Pavements

Lady of the Pavements UK title Lady of the Night is a 1929 American silent film directed by D. W. Griffith and starring Lupe Vlez, William Boyd, and Jetta Goudal. Griffith reshot the film to include a couple of musical numbers, making it a parttalkie.

Disgusted that his fiancee, Diane Jetta Goudal has been cheating on him, Karl William Boyd says hed rather marry a street walker than her. To get back at him, Diane arranges for Nanoni Little One Lupe Vlez, a singer at a sleazy bar, to pretend to be a Spanish girl, from a convent, to fool him.

Source: Wikipedia