We aren't the only ones who are obsessed with decking out our nails for the holidays. Rihanna shared an Instagram snap of her holiday-themed manicure, making us take a second look at our own fingertips. Green, sparkling nail polish was accented with designs of snowmen, candy canes, and mini mistletoe sprigs. Feeling inspired? We've got a bevy of holiday nail art ideas to get you in the Christmas mood.