so it turns out I was actually thinking of Barry Manilow and not Rod Stewart http://drownedinsound.com/community/boards/social/4147129
This would also explain why in the photos I found on the net, Rod Stewart wasn't as shiny as I remembered.
I googled to check whether Barry has been in an accident, he hasn't, instead he had a complete upper and lower facelift in 2003.
which explains this:
so, my guilt is officially over. just thought you'd like to know.