If you have the right connections it would be easy to become someone famous. Miley Ciris (thats spelt wrong) got all her fame from her fathers connections.
But I have also heard that if you have an...
1) Good training, its good to be good, unless you're one of the lucky ones 2) Good contacts, being part of an agency helps 3) Open to criticism, the first days will be hard because no one will know...