A princess always knows how to celebrate the holidays. There"s Christmas, Hanukkah, Yule, Chinese New Year, Saturnalia . . .to name just a few. Then there"s gift giving, the royal Genovian Fabergé advent calendar, hot chocolate with marshmallows -- oh, and all those fabulous holiday movies. How will YOU celebrate this holiday season? Mia and her subjects have a few ideas.