What will make you look skinnier?

im either 5''0 or 5''1 and weigh 88lbs im going to be in 8th grade in less than a month. Im fat. how do you make your smaller? will skinny jeans and a t shirt make you look skinnier then you really are? What clothes will make you look smaller. and jw im going to get my haircut soon. does long hair make your face look thinner or does short hair make your face look thinner? can makeup make your face look thinner and how? and what kind? whats the best way to lose fat in your thighs? what sport burns the most calories out of these three crosscounty, volleyball,or cheerleading? what nailpolishes make your nails appear longer than they really are? Do sweatpants make you look thinner? plz answer all these questions i know it alot but you would be doing me a huge favor and i would really appreciate you and your help. :)