Verified answer

try to get her a youtube account and upload her doing various songs, maybe a myspace music player/ profile and promote them from your facebook. If she is good enough then she will get noticed because her videos will become 'viral" that the word they use for videos that get thousands of views in a short time. also there is a site called "reverberation" that you can sign her up for and upload songs through them and sell them from there from Itunes. The key is that she has to be really good and pick songs that really fit her voice. Oh and if you are going to sell songs on Itunes form reverbnation they have to be original work and not a cover of a song she has to wright her own material for that or at least have the copyrights to it .

Americas got talent! If she's any good shell get accepted. Try organizing an ad for her in the local paper, try to get her to the nearest city (if you don't people will be like "if she was any good why is she still here?")

get her to go on a diet and then give her a fake tan, sell her soul and make sure you do all of this before she hits puberty :)

Tell her this. No matter what. Sex, Drugs, and shaving your head. Is always the answer.