Are you struggling to find the best girls' fancy dress Book Day Costumes? Now you can worry no more! Get some great Girls Book Day costumes this year with Smiffys largest ever selection of licensed and unlicensed costumes for Girls. She can travel back in time as a Tudor Girl with the help of our Horrible Histories collection, search for the little piggies as Miss Hood or choose any other outfit from our unrivalled selection of over 150+ Girls Book Day fancy dress costumes. Don't forget, you can also complement your costume fantastically with our amazing range of fancy dress accessories. No matter what Girls fancy dress you do decide on this year, with our collection of hundreds of costumes suitable for Book Day that won't break the bank, your little lady can be whoever or whatever she wants, without you having to worry!