"Friendship" is a song written by Cole Porter from his 1939 musical DuBarry Was a Lady where it was introduced by Ethel Merman and Bert Lahr.

The song was once again performed in the 1943 film version starring Red Skelton, Lucille Ball, Gene Kelly and Tommy Dorsey.

Cole Porter wrote "Friendship" for the finale to his 1939 musical DuBarry Was a Lady which opened on Broadway at the 46th Street Theatre on December 6, 1939.

La Comtesse du Barry and Bert Lahr as The King of France.

[2] In 1943, Lucille Ball, Red Skelton, Gene Kelly and Tommy Dorsey performed the song in the film version of the Metro-Goldwyn-Mayer musical.