girl, the key to that is confidence. and how to be confident is to just look in the mirror and say alot of good things about yourself. and sense you said you feel insecure, try shopping or do girlish things. I know that's kind of obvious but you shouldn't just sit there being negative about yourself. Nope nope! What you need is a girls day out and buy clothes that make you feel great in. Who cares if you can't fit Brandy Melville? You are 100000000000 times better than that clothing store and you just got to embrace the fact you got a great body . and try different hairstyles. maybe you can get confidence and get some compliments from it :) Also, go to some place fun and just have a great time. You only live once so don't waste it on you giving yourself a hard time! ^^ Just relax and if you have a bath, get a bath bomb from Lush and have a little spa day.
You sound like me! I used to be confused about this too. There are many stores for your body type. Try to avoid stores like abocrombie and j.crew. You can shop at a lot of stores, you just need to find the clothes that will flatter your body and not make you look "fat" I like h&m The Gap Old Navy Kohls and Forever 21.