She did sing it, i don't know if there's a video though but it aired on TV...
No, I mean her vocals never sounded good when she sang CMM. I know she's a great live singer but for some reason CMM never worked out well for her live.
Wow, she sounds great! She better bring her A game this whole era and vindicate KISS, the best pop album of the decade!
(But I don't like her grandma sweater or haircut; people already like to point out how her music belies her age, so she shouldn't make herself look older like this)