"Upside Down" is a song written and produced by Chic members Nile Rodgers and Bernard Edwards. It was recorded by American singer Diana Ross and issued from Motown as the lead single from her eleventh studio album, Diana (1980). The song hit number one on the Billboard Hot 100 chart on September 6, 1980 and stayed there for four weeks. It also hit number one on the Billboard Disco and Soul charts. The single was released a full four weeks after the album was released. "Upside Down" is listed at No. 89 on Billboard's "Greatest Hot 100 Songs of All Time" (1958–2021).