Listen to One Directon on iHeartRadio | Listen to Katy Perry on iHeartRadio

Some of you might not know this, but Katy Perry is partially responsible for the creation of One Direction. The songstress was one of the guest judges when Niall Horan auditioned for X Factor back in 2010, and she gave him a yes after being impressed by his Irish charm (Cheryl Cole said no). Niall’s probably had a crush on her ever since, because earlier tonight he officially proposed to the Prism pop tart following her UK X Factor performance of “Roar.”

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