Where can get black sequined flats size 9?

I know its super early for halloween but... i dont really know. well i am going to get a costume ( http://www.partycity.com/product/teen+girls+light+up+wonderland%27s+de-light+alice+costume.do?sortby=ourPicks&pp=60&size=all&navSet=170284 ) and i want the shoes she has on but they dont sell them at that store and i cant find them anywhere! so if you can find those or these ( http://www.shoebuy.com/dr-scholls-sparkle-fast-flats/459622/974467?cm_mmc=pricegrabber-_-none-_-none-_-none ) in black then you will be a great help! i already am getting a red heart to sew on too so :) and 1 more, what is a good costume that would go with that, like how the cowardly lion, dorothy, the scarecrow, and the tin man go together? thanks!