How to Make an Ugly Christmas Sweater Inspired Outfit HGTV Fixed up my tree costume from last year to be able to clip around my waist for a ballgown transformation (and vise versa for when I need to hide among the trees I went looking for an ugly Christmas sweater and somehow ended up making a Christmas tree dress plus a gift wrapped Tommy and a whole lot of zhuzhed up holiday magic for Christmas Tree Costume Inspired by Katy Perry This College Student Tweeted And Now She Has To Dress Up Like A Christmas Tree For The Rest Of The Semester