Claim: Diana is a studio album.

Diana -LRB- stylized as diana -RRB- is the tenth studio solo album by American singer Diana Ross , released on May 22 , 1980 by Motown Records . 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 '' . All songs are composed , played and produced by Chic members Nile Rodgers and Bernard Edwards .