Ariana Grande says her decision to take a 'step back' from visibility after 'ongoing public scrutiny' wasn't 'impulsive' — but fans are still concerned. Is it ever OK to talk about a celebrity's body?

Ariana Grande says her decision to take a 'step back' from visibility after 'ongoing public scrutiny' wasn't 'impulsive' — but fans are still concerned. Is it ever OK to talk about a celebrity's body?