Lester and Lily Marton
Husband and wife songwriting team in the 1953 film The Bandwagon. They write a show that's a comeback vehicle for Tony Hunter (Fred Astaire).
The film's screenwriters, Betty Comden and Adolph Green, based the characters on themselves, except Comden and Green were not romantically involved.
Played by Oscar Levant and Nanette Fabray.