Looking for a 1950s costume? Please check our 1950s costume range. Fancy Dress Costumes for the 1950s offer a wide range of style and options. You can dress as Sandi from Grease with a cute Skirt and Top or choose to dress as a Diner Waitress and be serving people soda just like they did in Happy Days. For men you can't go past a Grease costume, as one of the thunderbirds. Rock n Roll is here to stay in a 1950s Costume. For 1950s Fancy Dress Glamcostume has the costume.