The Lady Is a Square is a black and white 1958 British comedy musical film directed by Herbert Wilcox and featuring Anna Neagle, Frankie Vaughan and Janette Scott. It was Neagle's final film appearance and the last film directed by Wilcox although he produced several further films before his bankruptcy in 1964. The film was re-released theatrically in 2001 by Paramount Pictures in North America and Universal Pictures internationally, in DVD in 2002 and DVD (and Blu-ray) in 2006. The film includes Vaughan singing "Love Is the Sweetest Thing" which was released as a single in 1959.