50's Costumes - Lots of Bargains and Discounts! Costume Craze has 50's costumes like poodle skirt costumes, Elvis costumes, Grease character costumes, and jitterbig costumes that will take you right back to the fun of the 50's. A 1950's Costume is a classic for any costume party or for a Halloween Costume. Be that dancing queen like on American Bandstand or a rock star like Elvis or a Hollywood star like Marilyn Monroe! 1950's costumes are great for parties, dances and Halloween parties. A 50's costume is not just for Halloween!