The Oscar-winning actress, who also hails from Wales, and her brother DAVID A JONES are producing the comedy, which stars Alan Cumming as a gay cabaret performer forced to train a struggling Welsh rugby team. Zeta-Jones will also star in the movie.
Stunning Zeta-Jones has asked the CRAZY CHICK singer, 19, to sing the theme tune and has offered the young star a cameo role in the film.
A film insider says, "Catherine sees Charlotte as a younger version of herself. She thinks she's incredibly talented and really wants her on board."