What age group is this costume for?
Elementary School
Middle School
High School & Beyond

Estimated time required to make this costume:
Shopping and a couple of hours

Difficulty level:
Almost as easy - some sewing

Items you will need: (Hit your return key to start a new line)
White dress/pant suit
Headband
Small amount of white material
Small amount of stuffing
Angel wings

Instructions:
Cut out the shape of devil horns on the white fabric. Stuff them and attach them to the headband. Get dressed in your dress/pant suit and place the angel wings on the back.

Other information to consider:
Try adding the fangs that you attach to the the individual teeth...they look better...(approximately $5 in cost). Don't use fake blood, it will ruin your white costume.
Add sparkles to face and hair.