They Say The World Was Built For Two - Nash Grier FanFic

Well, hi. My name is Cassidy Dallas. Call me Cassi, please. My brother is Cameron Dallas, and he's friends with tons of Viners. Including Nash Grier, the 2nd most followed person in the world on Vine. I like him, but I have tons of obstacles that challenge me. Plus, I don't think he'd like a girl who's short, brunette...