"Who You Love" is a duet between John Mayer and Katy Perry inspired by the idea that "the one you love is the one that you make happy." The song was released in 2013 as part of Mayer's album "Paradise Valley," and it showcases the couple's harmonizing voices. Perry and Mayer were dating at the time of the release, and their chemistry shines through in the music video. The song received mixed reviews from critics, but it was a commercial success. #BehindtheMusic