I was just kind of making things up about that kind of movie, but then, I started thinking about it, and there is an old Susan Hayward movie, "Back Street", which is kind of along the story of a poor, hard working designer who becomes famous (but, she has an affair with married John Gavin, so that is the main story). It's a great, soapy, over-the-top love story/drama!!!
Another that comes to mind is Mahogany with Diana Ross - she wants to be a designer, becomes a model, moves to Italy and finally finds out her true destiny was back in Chicago with a dreamy Billy Dee Williams. But, the