Ellen gets a big shock when her reflection climbs out of a mirror. But Mirror-Belle is a double with a difference! She is a princess, and a very mischievous one at that. Join Mirror-Belle as she sweeps Ellen into hilarious Christmassy escapades--from joining in with the Christmas ballet show to attending Ellen's friend's fancy dress party and trying to catch Father Christmas! You can always guarantee that wherever Mirror-Belle goes, trouble will follow.