"You Wouldn't Know Love" is a song written by Michael Bolton and Diane Warren appearing contemporaneously in 1989 on Bolton's Soul Provider album and Cher's Heart of Stone album. The song was released as a European-only single by Cher in 1990. Cher's version of the song, produced by its writer, Michael Bolton, became the fourth and final European single release from Cher's nineteenth album in 1990 by Geffen Records. It was a minor hit in the UK, faring better in Ireland. Cher's album was certified 3x Platinum by the RIAA in 1998 for sales of over 3 million in the U.S. alone, with worldwide sales exceeding 11 million.
Bolton's own version appeared on his most successful album, Soul Provider, which peaked at #3 on the Billboard albums chart. The album was certified 6x Platinum by the RIAA in 1994, for sales exceeding 6 million in the U.S. alone, and sold over 12.5 million copies worldwide.