A substantial difference between the two stagings is that in the original French play, Zaza and her married customer resume their relationship after she becomes a successful performer, whereas in the American adaptation, they do not reunite.
^ abJohnson, Katie N. (2002). "Zaza: That "Obtruding Harlot" of the Stage." Theatre Journal. Vol. 54, no. 2. pp. 223-243. Retrieved 2017-08-31 via Project MUSE database. doi:10.1353/tj.2002.0046.