How can I Give a famous singer a song I wrote?

[sexymonkey313]

LIke As In I wrote the song and then i want the singer to sing it like for example Mariah Carey how would i be able to do that and make sure that it gets to them

 

[imma star]

Write her a letter and then send it to her then tell her how you adore her and would love for her to sing your song