HELP!

hi!!!:o

i am 16 years old nd 5"4 and i thnk am abt 9- 9 1/2 stone hav tryd a few ways of losing weight but a dnt seem t be able t stick to them??? i am not obese or real oerweight i jus need to lose weight on my stomache and hips so any suggestions??? something thats easy t stik to??:halo: