Did you know that the ugly Christmas sweater has its very own special day of the year? It's celebrated on 21 December. But an outfit this fun is great for any Christmas party, not just on the 21st. Why not make a fabulous, festive Christmas sweater and brighten the mood at all of this year's holiday festivities? Here's some inspiration for two different sweaters. We used a glue gun to attach all the decorations, but remember to use a sweater you don't care about. If you use glue, you can't restore the sweater.