Niall Horan of One Direction Turns 20: 5 Reasons to Love the Irish Boyband Heartthrob 46479

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Today marks the 20th birthday of Niall Horan, the recognizably platinum blonde member of mega-popular British boyband, One Direction. While every "Directioner," as fans call themselves, have their favorite member, in honor of Horan's birthday, here are five reasons you may want to put the Irish heartthrob at the top of your list. - high-definition photo for free download.

Niall Horan