In the past, the ugly Christmas sweater was worn by parents for the holiday season. It was given to some children who were forced to wear it in Christmas pictures with the rest of the family. Now, it's worn in a more humorous way during ugly Christmas sweater parties. These parties often hold contests to find the worst Christmas sweater ever. How do you win one of these contests? Here are some tips for finding the ugliest Christmas sweater for the next contest you're invited to attend.