Tori Kelly and James Bay's Performance of "Let It Go" Will Send Literal Chills up Your Spine

Tori Kelly and James Bay blessed the Grammys stage on Monday night with their wonderful voices. Aside from Bay's incredibly beautiful single "Let It Go," Kelly, who is nominated for best new artist, tore it up with her chilling vocals. See the full performance above, and then watch Demi Lovato steal the stage with her Lionel Richie tribute.