You and two friends could be the pink ladies from Grease.
You could be a dead cheerleader i's a lot cooler.
You could be a movie star and a friend could be your agent. Another friend could be the Paparazzi.
Being a bumble bee is another idea.
Other ideas are:
a witch
an animal, like a cat or a penguin
If you want to be unique, do not go as a witch, wizard, spider, ghost or devil. They are too common.
a m&m
Some ideas: Her favorite animal Her favorite pop star A group costume with her friends Her favorite literary character Her favorite movie character Her ideal future career A classic Halloween costume that's not too gory (Mummy, vampire, werewolf, witch) Her favorite food A punny costume
a wii a game controller her favorite game
Cats/kittens there cute and a goddess YEP
How about arobotscarecrowfurbya fairy story charactercat in the hata TV character
vampire
a girl(very scary)
I would say iParty or Partyneeds
Maybe a superhero or character you like.
playboy bunnies
I don't think that's really appropriate, but maybe a 12 year old.
Bella, Rosalie and Alice from Twilight