What model is it being used with? From here it looks like Posette, but I could be wrong..kinda reminds me of the Vampirella outfit, you could try a search on that..though to be honest, I don't think there was one for Posette..story of me life..;)

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)