Brandi Glanville claims her Ex-husband Eddie Cibrian allegedly "f-ked" actress Piper Perabo

Actor Eddie Cibrian allegedly "f-ked" actress Piper Perabo on the set of his 2005 film "The Cave," according to Brandi Glanville, his ex-wife. The "Real Housewives of Beverly Hills" alum, 50, alleges in an exclusive interview with Page Six that "They did a movie together and [my son] Mason was 1 year old and I went to the set and it was in another country, Romania, I think." Additionally, the host of the "Unfiltered" podcast added bluntly, "And [Perabo] was a horrible c—t to me." Glanville claims that when she saw what she perceived to be exchanges between Perabo and Cibrian, she felt uneasy. She claims, "She was flirting with Eddie, like, right in front of me. I was like, ‘Am I here? Am I the only person [seeing this]? Like, what is happening?’” [caption id="attachment_74231" align="aligncenter" width="1200"] Brandi Glanville | Presley Ann/GI for WE tv[/caption]

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Brandi Glanville, who wed Eddie Cibrian in May 2001, recalls that she made an effort to get to know the "The Cave" cast and crew. As a result, they kept her informed about what was going on site. She said, "I made friends on set and I heard a lot of things." Glanville asserts that she was told, "that Piper and Eddie were f—king" when questioned about what she had heard. In addition, she claims that when filming was finished, she confronted Cibrian about allegedly having an affair. She recalled, "When he got home, I’m like, ‘I’m leaving, blah blah, I’m out.’" However, Glanville ultimately made the decision that she wouldn't give up—at least not yet. She revealed, "He convinced me that it wasn’t true. We had a 1-year-old son and he was the love of my life at the time and, you know, there was a lot of convincing me of things.” The author of "Drinking and Tweeting" claims that Cibrian dismissed her worries, calling her "just crazy,” “jealous,” and “that whole deal.” She explained that since she "was blindly in love with the man" she decided to remain by Cibrian's side.

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Eddie Cibrian, on the other hand, disputed any claims of infidelity with the "Yellowstone" actress. He said in a statement to Page Six on Tuesday, "I’m sad I have to address this, I really believed that we had come a long way, but this was untrue 19 years ago and it’s untrue now. Just because someone thinks something might be true does not make it true. This is all so unnecessary." Cibrian and Glanville have two sons - Mason, 19,  and Jake, 15. On another note, Cibrian was involved in high-profile affairs with "Vanderpump Rules" star Scheana Shay and country music icon LeAnn Rimes before the discovery of his alleged liaison with Perabo. But Glanville stayed faithful to Cibrian despite a brief affair with Shay, now 37, in 2006, but his 2009 affair with Rimes, which was publicized, caused the couple's permanent separation. Therefore, after nine years of marriage, Glanville and Cibrian finally got divorced in 2010.