I think his fuller face looked younger--but he had major smile lines even then. I'm with Pgal... lines, wrinkles, grey hair, hair loss, whatever... he'll always be beautiful to me, inside and out. All the wrinkles and lines just give him character.
For what it's worth, the long hair and fuller face do tend to make him look younger. As we know, our beloved Alex can change his looks like most of us change our...well, you get my drift. No matter what style he chooses, he manages to make them all look good.