"Upside Down" is a song by American singer Diana Ross. It was written and produced by Chic members Nile Rodgers and Bernard Edwards. It was released on June 25, 1980, as the lead single from her self-titled tenth studio albumDiana (1980), and hit number one on the Billboard Hot 100 on September 6, 1980. 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. It held down the number one spot for four weeks. The single was also a big hit internationally, topping the singles charts in Sweden, Italy, Norway, and Switzerland, while reaching number five in Canada. It also rose to number two on the UK Singles Chart, marking the highest peak performance from Ross as a solo artist since "I'm Still Waiting" in 1971. It also earned her a British Phonographic Industry silver disc award for sales in excess of 250,000 copies. The song listed at number 62 on Billboard's "Greatest Songs of All Time."