Check out the three flawless ladies' tribute here.
The tribute worked well as a whole, but wasn't the evening's most interesting moment.
The performance wasn't enough to land Demi any of the noms she picked up for 'Confident', but she's said to be in the studio working on the record's follow up, so there's always next year? Tori Kelly was notoriously snubbed for Best New Artist last year, with the accolade instead going to Meghan Trainor. Yes. We're still bitter.