Ello Poppets. Welcome to our Best of British range of Fancy Dress Costumes. From our H.M. Queen to the couple of the decade, our fancy dress masks will have you looking like the Royal Family. Support England and "rule the waves" with our range of Union Jack printed body suits and costumes. Since the 2012 Olympics and Diamond Jubilee, our fancy dress have continued to become popular and are an ideal way of celebrating all things British.