Disney Girls Series by Gabrielle Charbonnet

When her neighbor Kenny secretly videotapes her friends, each of whom identifies with a Disney character, as they sing, dance, and act silly at her slumber party, Isabelle resolves to force him to hand over the tape

The Disney Girls are excited to help plan the school's holiday party. Ella decides that the perfect thing for her to make is an elaborate gingerbread castle. But creating such a complicated confection isn't easy, even for someone as super-organized as Ella. And her step family just doesn't seem to understand how important this is to her. Ella could really use a fairy godmother right now....

The Disney Girls are so excited. They're all going to dress up as their favorite Disney Princesses and participate in the special Magic Kingdom Princess Parade. And as a special treat, Mrs. Pinto is taking them to stay overnight at a hotel in the Wait Disney World Resort. Magical things are bound to happen to the Disney Girls in the most magical place on earth -- and they do....