She changed (One direction/Ed Sheeran) ON HOLD

Clover was Nialls best friend for most of their life. She always got teased and bullied for her weight and looks. 3 years later Niall comes back from his fame and brings the boys to unexpectedly chubby little Clover replaced by a gorgeous girl. Clover wants Niall to see her differently so she tries to be someone she's not. What happens when she gets involved with multiple boy banders and Niall is feeling jealous? Could he like his best friend?