Girls of all ages can get lost in our vast and exciting collection of girls fancy dress costumes. Whatever age or size your little one is, we have themes, characters and styles that she’ll love! Our girls costumes are inspired by popular movies, TV shows, professions, seasonal events, historical characters, superheroes, books and endless more themes. They’re great for Halloween, World Book Day, or simply dressing up for school or playing at home in the garden. All kids are big fans of dressing up and now they can truly let their imagination run wild! Some of our favourite girls costumes that can be used for any occasion include the wonderful Children’s Mary Poppins outfit, based on the latest Disney movie, a variety of adorable Alice in Wonderland costumes, and every Disney Princess you can think of. Sit down with your girl and browse one of the largest collections of girls fancy dress in the UK, here on Simply Fancy Dress.