Also in 1981, Lionel Richie sang a duet with Diana Ross in the theme song for the film Endless Love. Issued as a single, the song topped the UK and U.S. pop music charts, and it became one of Motown's biggest hits. Although the film was not a success, the film's theme song by Diana Ross and Lionel Richie, also called "Endless Love", became a #1 hit on the Billboard Hot 100 and was the biggest-selling single in Ross' career. The song was covered by soul singer Luther Vandross with pop/R&B singer Mariah Carey, by country music singer Kenny Rogers, and also by the cast of Glee.
Diana Ross (born Diana Ernestine Earle Ross March 26, 1944 in Detroit, Michigan, USA) is a singer of soul, pop and American rhythm and blues. Multiple disks in which she participated became gold records or platinum. She participated in the creation of several popular songs, including You Can't Hurry Love, Love Child, Someday, We'll be Together and Stop! in the Name of Love. As a solo artist, she also obtained many successes, including: Ain't no Mountain High Enough, Do You Know Where You're Going to, Love Hangover and Upside Down. Between 1970 and 2006, Diana recorded 41 albums.