Original sentence: Duff is scheduled to appear in three upcoming independent films: The Story of Bonnie and Clyde, an adaptation of Bonnie and Clyde; she has however, since been replaced prior to the beginning of filming
Edited sentence: Duff is scheduled to appear in three upcoming independent films: The Story of Bonnie and Clyde, an adaptation of Bonnie and Clyde; she has however, since been replaced prior to the beginning of filming, due to the belief a real actress should star in the film instead