It's officially the holiday season, and celebrities are getting into the Christmas spirit by adorning their massive mansions with over-the-top decorations. And we're not just talking about pics of sad little trees shoved into corners. When it comes to the Kardashians, we're talking about houses covered in waterfall lights, massive evergreens so big they'll put yours to shame, and luxury table settings that look like something right out of a magazine. But not all famous folks go overboard with their decor; celebs like Taylor Swift go for cuter and more modest digs. Check out the gallery below to go on a quick tour of celebs' Christmas-themed homes — both inside and outside!