Diana Ross had only one hit in the charts.
Diana Ross . Her 1980 semi-eponymous album Diana reached number 2 on the US Billboard albums chart , and spawned the number-one hit `` Upside Down '' , and the international hit `` I 'm Coming Out '' . 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 .