The Perfect Affair(Niall Horan+Selena Gomez Fanfic)

When Niall Horan is taken under the wing of Justin Bieber, to stay with him in America while he waits for his passport to be updated, Niall starts to fall for his beautiful girlfriend, Selena Gomez. Already having trouble in the past with Selena and Niall 'flirting' at award cerimonies, they have to be careful about their love affair. But who will it end up hurting?