James Dean, Elvis, Sinatra, Brando, Teddy Boys. Fashion in the 50s was slick and smooth, suave and sophisticated. Music was sweet and rock and roll was leaning on roll rather than rock, and jazz was in. Overall, the decade was an iconic one and 50s Fancy dress is a brilliant idea for Halloween or decades parties or whatever you fancy really. See our full range of 50s fancy dress costumes below.