I think Joan Rivers looks great and at 75 she has boundless energy.
As for Botox, you would be shocked at how many people have it done and most people don't even know. I notice because I see the patients all the time but if a person has Botox done right you would not notice anything but a person who looks a bit fresher.
Those lines around the mouth are filled in with fillers and like magic those lines are gone and no one knows. A half an hour you walk out the door looking great.