One Direction - "Best Song Ever" Performance on AGT - America's Got Talent 2013

If you can hear the performance over the screaming girls, check out boy band One Direction perform their hit "Best Song Ever" on the America's Got Talent Stage. Plus, don't miss the 1D documentary "One Direction: This Is Us" coming out August 30, 2013!

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One Direction - "Best Song Ever" Performance on AGT - America's Got Talent 2013
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