The number one gal of the Descendants is always ready to show off, and in the Girl's Descendants Mal Costume, it's never been easier to do so. With a dress that's chock-full of incredible colors and fun details, this costume is a little princess's go-to for a Halloween party, a costume event, or just for getting some really royal looks going while at home. Add a tiara, a wand, or some shoes to create a costume for even the pickiest Descendants fan.