When Bella and her friends read about the new Glitter Club in their favourite magazine, Glitter Girl, they all want to join. They can wait to start working for their Gems and are excited to discover that they can use their ballet skills to earn the `Performer Gem'. As half term is coming up, Bella decides it's the perfect opportunity to hold a sleepover and obtain her `Hostess Gem'. But once back at home it doesn't seem like such a good idea at all, and Bella starts to misbehave . . .