"Endless Love" is a song written by Lionel Richie and originally recorded as a duet between Richie and singer/actress Diana Ross. In this ballad, the singers declare their "endless love" for one another. It was covered by Luther Vandross with R&B-pop singer Mariah Carey, and also by country music singer Shania Twain. Richie's friend Kenny Rogers also recorded the song. Billboard has named the original version as the greatest song duet of all time.

Lionel Brockman Richie Jr. is an American singer, songwriter, record producer, and television personality. He rose to fame in the 1970s as a songwriter and the co-lead singer of the Motown group Commodores; writing and recording the hit singles "Easy", "Sail On", "Three Times a Lady" and "Still", with the group before his departure. In 1980, he wrote and produced the US Billboard Hot 100 number one single "Lady" for Kenny Rogers.