How can i lose weight in one place?

im 14, female, duh, and im about 90-95 pounds. im 5'3 1/2 and im rly rly concerned about ym weight. i have friends who are like 5'6 and are only 85 pounds. i want to lose weight between my legs and on ym thigh, cuz the gap between ym thighs is only like 2cm and my friends are like 2 inches!!!! hwo do i do it? ive tried starving myself but my metabolism slowed, so im eating about 500 cals a day, will that work? i run alot and i do alot of gymnastics, HELP ME