Well, looks like they not only lipped her vocals but also the claps and raves from the crowd cause you can head people screaming during some bits of the performance but the audience looks dead and un-moved. Welp
Mariah really needs to get her sh!t together tho. All big vocalist lose their power at some points, yet if you adjust your songs, the arranges and the new recordings to a range that you can possibly and easily HIT these days, all is resolved. A new arrange and songs that suit your new voice is always better than a lip synced MESS