Newly crowned best new artist Sam Smith doesn't exactly need any help in the soul department, but when Mary J. Blige joined Smith onstage for a stirring performance of Smith's huge hit "Stay With Me," there were serious vocal fireworks going off on the Grammy stage. Hope you're ready to feel a lot of feelings.
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After taking the first verse himself, and then being joined by Blige, the song was given even more power with a mini orchestra and over a dozen back-up singers joining them onstage to finish off the number in style.
