A quick search of your closet for a solid color maxi dress and a trip to your local dollar store's toy section will turn you into an elegant modern day Medusa.
Got purple or green balloons? Blow them up, attach a piece of greenery from an artificial plant to your head and wallah..the perfect grape costume.
Are you a skilled makeup artist? If so, break out those brushes and creative your favorite animal.
5. Christmas Tree
Got a little extra tulle laying around the house. Wrap yourself in it, add Christmas ornaments and you are a singing Christmas tree.