Diana Ross had a US number-one Rock hit.
Diana (album) . The album is the biggest-selling studio album of Ross 's career , selling nine million copies worldwide and spawning three international hit singles , including the US number 1 hit `` Upside Down '' . Diana Ross . The group released a record-setting twelve number-one hit singles on the US Billboard Hot 100 , including `` Where Did Our Love Go '' , `` Baby Love '' , `` Come See About Me '' , `` Stop !