Partygoers in fancy dress, in a variety of costumes, among them one dressed as the Xenomorph from 'Alien', one wears a paper bag on their head, another wears a jack o' lantern on their head, and one dressed a cartoon sheriff, location unknown, United States, circa 1985. (Photo by Richard Creamer/Michael Ochs Archives/Getty Images) To view more historical photos click the arrows above.