Diana Ross declined to record a duet with Lionel Richie.
After leaving Motown , Ross achieved her sixth and final US number-one Pop hit , with the duet `` Endless Love '' , composed for the Brooke Shields film of the same name , by and performed with former Commodores front man , Lionel Richie .	Motown	Motown	Lionel Richie	Lionel Richie	Endless Love	Endless Love (song)
