This video is proof of two things.
1. Ariana Grande is a jaw-droppingly talented live performer.
2. Ariana Grande and Nathan Sykes are completely smitten with each other. After they finish singing, the host even says: "Your chemistry is incredible." (Just look at the way he's staring at her at the 3:11 mark!)
Do you agree? What do you think of Ariana's new album, "Yours Truly"? Sound off in the comments or tweet @HuffPostTeen!
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