It's Princess Lizzy's thirteenth birthday! It's a bash complete with lovely music, pink flowers, a gigantic cake, and, of course, her best friend, Princess Ruby. Lizzy's party went off without a hitch—that is, until trolls decided to crash the fun. They spirited away Lizzy's two friends, Princess Savannah and Princess Tammy Lee. Whatever was Princess Lizzy going to do? Prince Hudso