Painful truths. Dennis McKinley opened up about cheating on fiancée Porsha Williams, revealing on The Real Housewives Atlanta that her postpartum depression drove him to infidelity.<br /><br />Biggest Celebrity Cheating Scandals Ever <br />McKinley, 43, and Williams, 38 — who split earlier this year but have since reconciled and resumed their engagement — aired their feelings about his infidelity during a therapy session televised on the Sunday, December 16, episode of the Bravo show.
