Everything About You- A Niall Horan Fanfic

Leigh and Niall have been best friends since grade school; until one day, when Niall goes to audition for the X-Factor and looses touch with Leigh for two years. They bump into each other again one day on the street, and become closer than they ever were before. Are Niall and Leigh just best friends as they used to be? Or has their relationship evolved into something more?