Jay Z Cheating Scandal: Rapper Reportedly Carrying On Affair With R&B Singer Mya Jay Z is caught up in yet another cheating scandal, with a new report claiming heâ€™s been carrying on a long-term affair with singer Mya. The report follows up on a string of rumors that Jay Z has been stepping out on Beyonce, and that the couple was on the verge of divorce. The latest rumor comes from MediaTakeOut, which cites a â€œblind itemâ€ gossip site run by a Hollywood entertainment lawyer. The source goes on to claim that Jay Z has been secretly seeing a mistress for years, a person MediaTakeOut identified as Mya. â€œWhen people talk about Jay-Z and his mistresses, they often forget about a mainstay who has been there forever. She is the person he calls when he needs to be discreet and thinking about old times. She is that very short named R&B singer who hasnâ€™t had a hit in awhile and doesnâ€™t really even act or record any longer. She basically lives off the generosity of Jay-Z and a couple of other guys. She peaked at A-.â€ "Robin, Beyonce is fat, am I right?"