R&B singer Mya Thursday denied a rumor she has been having a longtime affair with married music mogul Jay Z.

With a text image on Instragram, Mya, 34, born Mya Marie Harrison, wrote, "Never did, never was, never will. Illegitimate, thirsty sources with no facts and that's the 'media' for you -- especially today. I play second to no one, pay my own bills, have my own label, own management company, rely on God only and respect myself & marriage way too much for nonsense."

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On June 22, an urban-culture website repeated a blind-item rumor from another website, adding that now "the website claims that it's R&B singer MYA!!"

"False rumors are crafted for ratings & numbers," Mya's post continued. "And miserable, unhappy people need someone to judge to deter the attention away from their own misery and feel better about their miserable lives. If they did it to Jesus, they'll do it to anyone. God bless."

Jay Z's representative did not respond to Newsday's request for comment.