A really amusing part of the holiday season is seeing what kinds of sexy Christmas outfits celebs come up with. I don’t know when it became a unspoken rule that female celebs needed to come up with a racy look for every Hallmark holiday, but somehow it did. Mariah Carey is a trailblazer on the sexy holiday scene. Her holiday outfits just get better every year. Click through to see some more famous ladies who got all naughty for Christmas.