Help!

I'm going to a fancy dress house party on Saturday with a loose theme of Disney and Fairy Tales. I have no ideas! Help!

Random fancy dress things I have:

• A great little black dress I got for halloween that's a bit gothy.
• Stockings
• Christmas hats and such (the Grinch? Oy.)
• leftovers from a hawaiian fancy dress outfit - shell bra, lei (sp?)
• ...um, that's it. I'm out.

I'd like to avoid the princess/witch/fairy tropes. I mean, I want to look good, but I don't want to look like I've picked the outift that'll make me look the most glamorous and stunning, you know? It has to look accidental!

I'm working the rest of the week so I'd rather not need to go into town to shop. Am ok with sewing and have a house full of Random Household Crap.

Um?