Written by Lionel ‘Hello’ Richie, who was in 1980 still one of the Commodores. Lady was a big success for Kenny Rogers, especially in the US. Kenny did country, Lionel did funk, and the song is somewhere in the middle. Or so Kenny Rogers claimed in a later interview.
It was also a success for Lionel Richie, undoubtedly helping him to secure a solo career. Kenny Rogers was already an established artist. His record The gambler appeared two years earlier. He had his last concert in 2015, singing Islands in the stream with Dolly Parton. He died five years later of bladder cancer.