Have you checked out the costumes at www.americangirl.com ??
This is what they have:
Witch Costume for Dolls + Charm
I like the dress but I don't like Witch Outfits
Spooky Fun Outfit for Dolls + Charm
I like the Orange Tutu!!!
Genie Outfit + Charm
I Like this costume!! It is just to cute!!!
Or are you going to make a costume? I have some in mind that my mom and I are going to start working on soon. I will post pictures when I have them ready. Please post your pictures or post a link to your blog with your pictures, I would love to see them.