Surely someone who is 50, 60, 70 or 80 looks like someone who is 50, 60, 70 or 80 because she/he is 50, 60, 70 or 80. We didn't all look the same as school-age children or teenagers, even when we were the same age. I am often told that I look at least ten years younger than I am – I suspect it is frequently blatant flattery – but I don't really regard it as a compliment. I am 69 (for another couple of months) and I am how one person of 69 looks.
I think the experience and wisdom that comes with age is far more important than mere appearance, but having said that, I like pretty underwear – not that anyone else sees that – and elegant clothes. However, how I dress, use make-up and have my hair cut are my business not that of anyone else.