Rihanna Emma McIntyre/WireImage/Getty Images R9 may never come out, but Rihanna won’t let her singing talents go to waste. In an Interview magazine feature published on Tuesday, April 9, the publication’s editor-in-chief, Mel Ottenberg, asked Rihanna, 36, what songs she sings to RZA and Riot, the two boys she shares with ASAP Rocky. “Oh, my…
