This is one of the easiest costumes to make because all you need is an old bed sheet.
What you need to do: Get a white sheet, and cut out two holes for your eyes. Be creative and cut holes in your sheet to be a "holy" ghost, or dress the sheet up with some makeup. Put blush on your ghostly cheeks, and smear lipstick where your mouth should be.
RELATED: 100+ of the Best DIY Gifts Ever