I personally cannot grow a decent beard (fair skin, reddish hair, Nordic ancestry etc) - but I have done my bit for the aesthetics of earthly life by remaining clean shaven.
It therefore offends me particularly, when famous people sport rubbish beards and nobody calls them on it.
Second runner up:
The egregious jerk Russell Brand -
Runner up: The massively talented (but weedily hirsute) Johnny Depp -
The Winner, rubbishest Beard of All Time - that over-rated, pretentious embodiment of alopecia areata... Che Guevara!