Hi Im 14/15 and want to move to america from uk to persue my dream of bein a dancer/ actress help!!!!!!!!!!!!!

I want to become really famous like nicole kidman in the acting industry or somewhere along those lines and i want to do dance/romance films like step up if i can get that far! lol unfortunatly as a immature child as i went into secondary school i wanted to be a vet just becuz my parents got me some dogs silly me, causing me to pick the rong GCSE, which was health & social care! I felt so sour! so I talked to my cousins who went to our skool panto with me & they all said to me in there exact words, "You Shud ov bin on tht stage, yu no you could dance betta than you cud walk, even now thats tru, but you've wasted your chance" and i didnt want it to happen to me! Some 1 Help Me i need an agent & i need to move to america b'cuz in england you cant get as far as acting unless yu no famous ppl by chance! My faily isnt tha richest of familys, alos im sure channing tatum * I Dribble * started of not really rich just lyk me but got far b'cuz he lived in America hence tha america part! Help!