With all the unusual outfits Lady Gaga wears, it would be hard to choose just one. It is easy to make your own Lady Gaga Halloween costume. Just put on the craziest clothes you already own and add her signature hair bow made of synthetic hair, and you are all set. Boots with the highest heels you own can add to the authenticity. When you are Lady Gaga, everyday is Halloween! A good place to get a discount Lady Gaga costume is at eBay. Some sellers offer free shipping. Here are some of today’s eBay listings for a Lady Gaga Halloween costume: