Donald Trump, as we all know, has a poor track record when it comes to remaining faithful to any of the three women to whom he has been married.

He was so devoted to his present wife Melania that he cheated on her while she was still pregnant with their only kid.

It wasn’t even a one-time occurrence with one female, to be honest. The guy moved about a lot.

According to the Daily Mail, Trump, like pretty much everything else in his life, can’t only dish and never receive – apparently, Donnie was not pleased when he found out that his mistress Karen McDougal was having an affair with actor Bruce Willis.

The report is based on allegations made by Carrie Stevens, McDougal’s former friend and fellow Playmate, who claimed that Trump and McDougal had sexual relations in his marital bed in Trump Tower behind Melania’s back, showed his mistress his wife’s modeling photos post-coitus, and dumped her when he discovered he wasn’t her only love interest.

In an exclusive interview with DailyMailTV, Stevens said:

“Karen said in press interviews that she was in love with Donald Trump – the truth is it certainly wasn’t love, she was sleeping with Bruce Willis at the same time. I think she makes it sound to the press like it ended when it did so she doesn’t look like she was dating two men at once, but she was.”

All of this is detailed in her new book, UNRATED: Revelations of a Rock ‘n’ Roll Legend. “Karen and I dissolved our friendship in January of 2008,” Stevens states on the centerfold. We were friends for a year prior (2007), and there was no mention of a breakup with Donald Trump. She couldn’t take her eyes off him the entire time. This was the time when we used to hang out, go on trips together, and were excellent friends. There was never any talk of a breakup or a falling out.”

McDougal was apparently seeing Bruce Willis for six months during this time, and things went south for the Playmate after the two returned from a trip to Europe and the actor abandoned her. McDougal’s former pal said she understood exactly what had happened right away.

“It was me that actually suggested, ‘well, you just got back from Italy, it’s all over the press.’ Bruce took her on a yacht trip to Italy. So knowing what we know of Donald it’s not hard to guess that he found out and dumped her. Donald’s ego got the best of him.”

“Karen never got an explanation from Bruce. I believe Bruce found out about her and Donald and ended it as well,” Steven’s claims.