11 Stars Who Beat the Odds

9) Jon Hamm(9 of 11)

9) Jon Hamm(9 of 11)

The Mad Men superstar announced to the world that he suffers from a nasty case of vitiligo which is a disease that causes skin discoloration due to loss of skin pigment. His hands are sometimes discolored from the disease, which is stress-related, and comes and goes, and interestingly enough, did not occur before he joined the Mad Men cast.