The Vow. (A 1D fanfic)

Kendra and Harry Styles were bestfriends. But when Harry leaves for x-factor and becomes part of One Direction, he abandons Kendra, who depended heavily upon him. Two years later, at 18 years old, Kendra's changed a ton, but hasn't forgotten Harry. Her best friend, Mackenzie, and her spend the summer in Florida, living with none other than One Direction themselves. Can Kendra find it in her heart to forgive Harry and become friends or possibly more? Or will his mistakes cost them any chance of being together?