Help with ballet (body, turnout, etc etc)!?

i'm 14 Years old. i've been doing ballet for 9 years (idta). right now i'm studying grade 8 and second gold barre. i have done point for 3 years. my problem is that i am 5,5 and weigh about 105 pounds. am i way to fat to consider making ballet my profession? i havent got the best turnout in the world either....so if anyone knows any exercises og diets to get skinnier please help! and also if anyone knows any good turnout exercises that actually work. thnx!