Acting Audition Advice?

I love to act and I can't find any auditions but I don't know good websites to look!!!! I live in Knoxville,Tennessee were tons of people were discovered for example Miley Cyrus,Billy Ray Cyrus,Dolly Parton etc. and I want to be discovered I can sing,act,design fashion,and I can write songs. I have been in a couple plays and musicals. Being famous would complete everything in the world to me!!!!!!!! Please help thanks.