"Mr. and Mrs. Used to Be" is a song written by Billy Joe Deaton that was originally performed by American country music artists Loretta Lynn and Ernest Tubb. It was released as a single in July 1964 via Decca Records.
"Mr. and Mrs. Used to Be" was recorded at the Columbia Recording Studios in Nashville, Tennessee on March 10, 1964. The session was produced by the studio's co-founder, renowned country music producer Owen Bradley. Three additional tracks were recorded during this session.
"Mr. and Mrs. Used to Be" reached number eleven on the Billboard Hot Country Singles survey in 1964. It was included on their studio album, Mr. & Mrs. Used to Be (1965).