I feel really ****. Somebody please help cheer me up?

im 15, girl. i look at al these photos on facebook of some other people and they honestly look so. cool. thats the only word. and then i take a look at myself and my life, and i feel really ugghh. all thier clothes are fab, theyve got milions of (hot )guys friends theyre so pretty... how do i make myself more like them? i know, youll probably say 'dont be like other people, be yourslef, an original, unique'. news flash, i dont wanna be. help?