This Couple Sings All The Biggest Hits Of Taylor Swift, Ariana Grande, Meghan Trainor, & More In One EPIC 2014 Medley!

Taylor Swift. Ariana Grande. Pharrell. Meghan Trainor. Sia. John Legend.
They had the biggest hits of 2014.
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And now Vine stars Us The Duo is covering all of them and more in an incredible year-end medley!
And all in less than two and a half minutes! Watch (below)!