Whether it has neon Christmas trees or a reindeer nose that lights up, the third Friday of December is the day to sport that ugly sweater to celebrate the holiday that only comes once a year.

Yes! The third Friday of every December marks National Ugly Christmas Sweater Day. On this day, people across the country ditch their usual attire and sport their ugliest Christmas sweaters instead.

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On Thursday, the actors pranked their longtime friend, inviting Reynolds to an ugly Christmas sweater party that, well, wasn’t really an ugly Christmas sweater party. Reynolds, 42, shared photos ...