1) Build up a really solid portfolio shooting fashion/glamour in the studio and on location.
2) Move to New York, LA, London, or Paris.
3) Find a photographer in the industry to show your amazing book to, and work as an assistant for a couple years. Make connections, don't steal them.
4) Rent or purchase a studio.
5) Try to get work testing for agencies.
6) Build yourself a name
7) Talk to the magazines.