Interesting turn of events (Harry Styles Fanfic)

Hallie knows Niall since they were in school, Niall always had a secret crush on her and Hallie too but since he tried out for the X-Factor things changed. He promised to keep in touch with her, call her, text her, email her...but he broke that promise. Hallie wasn't very happy but she decided to get over him and she did. Niall was now part of the biggest boy band on Earth but one day Hallie and Niall meet again and become a couple, but even after all they've both been through Niall cheated on her. will she forgive him? or will she move on...