How to loose weight rapidly! ?

I wanna loose weight SO bad, I'm 15 years old and I weigh 62kg, I hate my body shape + I feel SO FAT & UGLY !!! :'( ijusy wanna be skinny; does anyone know how I can achieve being 50kg by the end of this year. I eat a lot of junkfood and I can't stop myself ' to be honest I don't eat a lot of food I only eat junk food & drink a lot of fizzy drinks, how can I stop myself from eating this and guys I don't want to have to do ANY excercise!