For Halloween you can dress up as a 50's girl witch in a poodle skirt and a white shirt and knee socks.
Thanks to Joanna for submitting this timely idea.
What to do:
Wear a long black skirt with picture of a poodle on it, and a tight, brightly coloured T-shirt.
Tie you hair in one ponytail if it's long enough, two pigtails if not. Finish off the look with a ribbon tied to your hair.
Thanks to Sharon for this addition.