Irma la Douce is a 1963 American romantic comedy film directed by Billy Wilder from a screenplay he co-wrote with I. A. L. Diamond, based on the 1956 French stage musical of the same name by Marguerite Monnot and Alexandre Breffort. From Wikipedia
In a nostalgic Instagram post, Aman revisits her bold choice to play a defiant character, the film's creative legacy, and its celebrated music.