She really needs to start prerecording all her vocals. Lipping to the studio track is one thing for the Vegas show, but for nationally broadcast performances it's just unacceptable.
At least she lipped the song right this way and seemed so much more comfortable. That is what makes it the best MM performance for me so far. Yep, she needs to get a better choreographer because the armography is a bit too much and it always gets me mad. But she's improving.
She does need a new choreographer but let me remind you guys that she did post a rehearsal video weeks ago and the choreo looked awesome. I think she just couldn't be bothered to do a more high energy routine which sucks.