If you don't physically age gracefully, it's a bit sad. I think Steven Tyler can get away anything, because he still looks like he did in '73. Especially from row Z backwards in an arena. As long as the Stones keep their hair and don't get fat they'll get away with the wrinkles.
Remembering that man is indeed the microcosm, the universe in miniature, the Divine Dance of the future should be able to convey with its slightest gestures some significance of the universe.