Diana Ross & Lionel Richie - Endless Love (1981)
"Endless Love" is a song written by Lionel Richie and originally recorded as a duet between Richie and fellow soul singer Diana Ross. In this ballad, the singers declare their "endless love" for one another. It was covered by soul singer Luther Vandross with R&B singer Mariah Carey and also by country music singer Kenny Rogers. Billboard has named it the greatest song duet of all time.
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