Dame Olivia Newton-John was a British and Australian singer and actress. She was a four-time Grammy Award winner whose music career included fifteen top-ten singles, including five number-one singles on the Billboard Hot 100 and two number-one albums on the Billboard 200: If You Love Me, Let Me Know (1974) and Have You Never Been Mellow (1975). Eleven of her singles and fourteen of her albums have been certified Gold by the Recording Industry Association of America (RIAA).

Have You Never Been Mellow is the fifth studio album by British-Australian singer Olivia Newton-John, released on 12 February 1975 by MCA Records.