Need some ideas for Costume Ideas for Girls? Sometimes its really hard to select costume ideas for girls but we have all the answers here. Fear not – this is not a list of 17 princess costumes! There are some sensational cute, interesting, fun and fascinating costumes that your child, friends or family will LOVE. Suitable for gifts, dress up parties, school activities or the tox box these versatile and fun costumes will have the girls in fantasy land in no time.