I think Cetera's prominent underbite cried for a beard. He looked a little silly without one.
Uwe, while I admire your taste in basses we definitely have different taste in men. He looks awful with that scraggly beard.
Also, when looking for a picture of Peter Cetera I stumbled upon this list, on which he made #5.
http://www.listropolis.com/2008/12/the-25-biggest-rock-wusses-of-all-time/