What do i do im insecure?

ok im 14 and i have really long legs i saw this picture taken of me from the side when i was standing my knees were kinda bent i looked so weird i have long limbs like legs and arms etc....what do i do ....also being that where i am from alot of people are short and stubby but i dont know which looks bettter i feel like a freak :/ also that im insecure so ofcoarse im gonna put myself down...i am light skin facial freckles and rosy cheeks your gonna tell me im pretty then your a liar but what do i do?