I just looked into this myself and stopped when I noticed her ears stuck out more and I watched them appearing on stage together. That said she does look different to how she did when she started out, so I'll have to look into whether she's been replaced by a doppelganger.

As for the article, the author said celebs don't have a soul and we all know they have to sell them to become famous. Looking thru the authors blog articles, I think he is trying to mimic an "alt-right racist" to muddy the waters.