What to wear
Dress according to your party/prom theme. Find affordable party dresses here: Halloween Flash Sale, From $4.99 What to Wear for Girls
Little black outfits:
Or something very HALLOWEEN.
Have a fun.
Suggest reading: Dos and Don'ts on Halloween Costume to School
Recommend products for formal party you may need:
2018 new dresses, cocktail party dresses, long evening prom dresses