I remember a couple of years ago she was asked by a reporter (as she was getting into her car) if she would ever perform again, and she cheerfully said “of course!”. But a lot has happened since then, so who knows. It seems like she really loves dancing, so if performing truly makes her happy then I really hope she does. But like you I would totally understand and respect her decision if she retires. And yes, keeping everything crossed for Wednesday.
On a lighter note, Blackout was suuuch an incredible album, I remember when I first heard it, I couldn’t believe she’d come out with that after so much turmoil