A Timeline of Niall Horan and Katy Perry’s Complicated Relationship

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The first time Katy and Niall met was in October 2010, when Niall auditioned for The X-Factor UK. If it wasn't for Katy, Niall wouldn't even be in One Direction!

Watch Niall's audition video below to see his fate rest in Katy's hands.

https://www.youtube.com/watch?v=N3B4eoA2uV0

Credit: Getty Images
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