With so many loveable characters to choose from Sesame Street is a great choice for a retro fancy dress party costume. The Sesame Street Big Bird costume includes a yellow jumpsuit with pink and orange striped legs, and a tail at the back. The headpiece features Big Bird’s face with wide smile and bright eyes. Alternatively, you could be everyone’s best friend with an Elmo outfit. The furry red jumpsuit will transfer you into the friendly character, complete with headpiece with Elmo’s googly eyes on the top. If you’re more of a joker, the Cookie Monster costume includes a blue bodysuit with cookies around the neck, and matching blue headpiece.