Summer Love. (Niall Horan fanfic)

In the summer of 2007 Hollie Whitely goes on holiday to Ireland, for the whole summer. She meets a boy called Niall Horan, who lives near to the 18th century mansion her family are staying in. When she has to leave him at the end of the summer she hopes and prays that she'll see Niall again. Five years later and Niall is in a world famous band. That isn't the part that intrigues her though. When she buys their latest album, she listens to a song called 'Summer Love'. Memories come flooding back to her. Will she ever find her summer love again?