When you have to do all the more crappy jobs before, you appreciate all the good work that comes out of that. There are many girls who immediately have a top model career, and there are lots of models who are doing things that aren't as exciting as doing big campaigns and beautiful magazines.
I wasn't really the most charming person, socially - it took me a long time to develop my people skills - but the one place I was always comfortable was onstage, acting or singing.