Uncontrollably overweight? I dont know what to do anymore?

[Alessandra]

Im 15, 5'4 about 163 pounds and it's not that Im just fat, but my body is truly diguisting. I have cellulite, thunder thighs, love handles, gross stretch marks and I hate every aspect of it. I have been overweight all my life and cant remember one year that went by that I didnt try dieting, (starting the age of 8.) Some have worked but only for so long. At one point , half a year ago I went to the gym 5 times a week along with a food plan and lost about 20 lbs. i CANT go to the gym anymore though everyday however I will squeeze it in. I just need help Im always depressed because of this. I'm never pretty or feel like everyone else. I seriously feel like an alien. What can I do? I will eat healthy and what else? Should I talk to my doctor, what would that to? Are there any healthy supplements I can order
thank you so much.. and my family are pretty slim people..