Killerella CostumeKillerella Costume, with Dress and Choker At the bottom of the garden is a dark and deadly secret, our favourite fairytale creatures are engaging in their own horrifying sinister acts, beware of our adult women's killerella fancy dress costume. This twisted halloween costume includes a blue and black bedraggled dress which features an orange net puff ball skirt and a black lace choker. Complete this look by adding our killerella wig and ladies sheer