Play Royal Masquerade Ball and help three princesses and a prince to dress up for the most elegant event this year!. Four mysterious people are entering the great hall at this Royal Masquerade Ball and they look stunning! But all four of them have masks on. Royal Masquerade Ball Dress Up Game. When Disney princesses Rapunzel and Ariel meet up with power couple Barbie and Ken to have a good time, it's not.