Princesses Mellie, Allie, and Libby are back in another rollicking, royal adventure. When the girls begin to argue about which princess is the prettiest in the land, they decide to hold a contest. But of course, the girls get side-tracked helping others on their way to the contest leaving Princess Mellie as the muddiest, Princess Allie as the yuckiest, and Princess Libby as the drippiest. But due to their kindness, the princesses win in the end!