Stop ittttt! How good does Niall Horan look in his three-piece? We can't deal.

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Check Out All The Best Red Carpet Outfits From The AMAs 2017 Inc. Selena Gomez, Niall Horan & More!

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See the full gallery: Check Out All The Best Red Carpet Outfits From The AMAs 2017 Inc. Selena Gomez, Niall Horan & More!