Twiggy was called `` the Queen of Mod '' , a label she shared with others , such as Cathy McGowan , who hosted the television rock show , Ready Steady Go ! The model Twiggy has been called `` the face of 1966 '' and `` the Queen of Mod , '' a label she shared with others , such as Cathy McGowan , who hosted the television rock show , Ready Steady Go !