Princess Gabby loves to dance and where sparkly, beautiful dresses. One day she finds the most beautiful and sparkliest dress and she is so excited to wear it! In the mirror a beautiful woman named Miss Marvelous appears and explains to Gabby that the rule to keeping the dress shining and beautiful is to be kind and giving to others. At first, Gabby really shines at helping others but one day she wakes up and grouchiness sets in and won't go away. Then she realizes that her beautiful, shining dress isn't so beautiful anymore; it's dark and dingy. Will Gabby be able to overcome her selfishness to think of others again? A wonderful lesson to instill in children.