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.

The actor, 43, shared a sweet animated video on his Instagram account on Friday that ... Reynolds wearing the sweater, as well as how he kept the tradition of the ugly Christmas sweater by gifting ...

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 ...

"We're bored of celebrity-brand collaborations," we think - then along comes Whoopi Goldberg with a completely unexpected and totally kick-ass line of Christmas jumpers. The 60-year-old actor ...