Help me!!! im very fat!!?

ok im 13 goin on 14 and i weigh 128 pounds! i also have a weird belly shape! im more wide then i am round! so when i do try and loose the pounds ill still be wide? and i did loose weight once but couldnt keep it off! but i just need to kno how to loose it better this time! i do horseback riding on thursdays and pretty much ride my bike around everyday! but im terribly addicted to eating! and its hard when im bored im hungry and im always bored! and like i said weird body shape! i mean im wide, kinda chubby, and huge annoying breasts!! and yeah! soo just plz anyone help me get rid of the fat! around my stomache and my legs!