My Bestfriend's Dead Love

Niall harry diana and stephanie were all best friends since harry joined the x factor.but harry diana and stephanie were bestfriends WAY before that. niall and stephanie were introduced to each other and it was love at 1st sight. and diana and harry fell in love too! but a horrible tragety happends and it ruins harrys and dianas relationship forever! what happened?youll just have to read and find out!