Pants!
bright colors
if you want to go to a party then wear the tango themed
a candy shirt with a skirt and a candy crown
Tommy Hilfiger
Wear something elegant and classy or edgy and daring like a dress or a nice suit.
I am having a Olympic themed party as well, I think if you can find the Australian teams jersey but then again I think you would have already had it by Now but who cares
safety themed party
A Hula skirt, Havaiana thongs and lots of decorations in your Hair.
any costume to do with world championship
But some twilight party supplies and you can have a twilight themed birthday party.
something with a floral pattern to complement to beautiful scenery of paris.