Rhinestone(1984)

She's bet everything, and we mean everything, that she can turn this New York cabbie into an overnight sensation. He has other things in mind. But he's never had a trainer like this one!

After a big-time country singer brags that she can turn anybody in to a country-singin' star, she's out to prove she can live up to her talk when she recruits a cab-driver as a country singer. He's scheduled to sing at a big-time NYC country night club and she puts her ample powers to work in preparing her protege.