WATCH: Porsha Williams Accuses Kordell Stewart Of Cheating On Her During Their Marriage In RHOA Reunion Clip

Porsha Williams dropped a bombshell accusation against her ex-husband Kordell Stewart during The Real Houswives of Atlanta reunion show on Sunday -- that he allegedly cheated on her during their marriage!

OK! EXCLUSIVE VIDEO: Kandi Burruss Says She Doesn't 'Trust' Phaedra Parks And Reveals If Todd Tucker Really Accepted Mama Joyce’s Apology

While attempting to defend herself against allegations from both Kenya Moore and Claudia Jordan that she had been romantically involved with a married man, Williams revealed that she had actually been cheated on by her ex-hubby. She added that she found out after the pair split, and his infidelities were the reason that she would never date or take gifts from a married man.

PHOTOS: Porsha Williams' Most Naked Instagrams

But her confession only fired up Jordan even more, leading her RHOA nemesis to blast Williams for drunkenly telling her the details of the relationships in question while they were traveling in the Philippines -- to which Williams had no response!

Watch Porsha accuse Kordell of cheating on her in the video clip above!

Do you think Porsha should have called out Kordell for cheating during The Real Housewives of Atlanta reunion show. Tweet us @OKMagazine or let us know in the comments section below.