"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 on June 18, 1980 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" was also a big hit internationally, topping the singles charts in Australia, Denmark, New Zealand, Sweden, South Africa, Italy, Norway, Switzerland, while peaking at No. 5 in Canada. It also rose to No. 2 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 single earned Ross her ninth career Grammy Award nomination for Best Female R&B Vocal Performance, losing to "Never Knew Love Like This Before" by Stephanie Mills at the 1981 Grammy Awards. "Upside Down" is listed at No. 80 on Billboard "Hot 100 60th Anniversary" (1958–2018). Background and recording The song was written by Bernard Edwards and Nile Rodgers (of the band Chic). In a 2011 interview, Nile Rodgers said "Diana Ross was the first big star we ever worked with and we took it very seriously." Rodgers and Edwards interviewed her for several days. "This was the first time in her life somebody cared about who she was; what she was — everyone previously had treated her the way we had treated Sister Sledge — they got her in and said 'Sing this'. We (took a more personal approach)." As would be widely reported later, their studio liaison with Ross was not a success. She disliked the results of their sessions and gave them specific remixing instructions; they made slight changes and suggested that if she still did not like them, she could get them remixed herself. Ross did so, reworking the whole album with Motown producer Russ Terrana to downplay the funk element and make her voice more prominent. Rodgers and Edwards were initially furious, and considered having their production credit removed. They eventually decided to leave the track unedited, as the sound