I think singing along to a song with that word in can be a mistake when I was younger I would sing along to Ja rule dmx etc and you can’t help but say the word sometimes, Hopefuly her saying “normal skin colour” was a slip aswell because being a make up artist they say “normal skin tone” so that seems like a mistake too I agree she should just apologise and move onand called concealer for white skin tones “for normal skin colour”