A princess-themed party is a celebration where the decor, activities, and costumes revolve around the idea of royalty and fairy tales. Common elements include balloon decorations, princess costumes, and castle backdrops. Guests often dress as their favorite princesses, such as Cinderella or Snow White, creating a magical atmosphere. Activities at a princess-themed party may include craft stations for making crowns, storytime featuring princess tales, and games like musical chairs with a royal twist. Treats often include cupcakes decorated with tiaras and princess-themed party favors for guests to take home, enhancing the enchanting experience.