The ugly Christmas sweater has become an icon for the holiday season. Each year people find themselves in search of an usually large and tacky sweater to satisfy the popular holiday party theme. But have you ever wondered where this tradition has come from?

Turns out, the world may never be sure who held the first ugly sweater party. This party trend has been growing in popularity since the beginning of the century and businesses have been seeing benefits from the craze.

Need ideas for your next holiday party? Yahoo! Style has your back.