Brandi Glanville and Eddie Cibrian Brandi Glanville and Eddie Cibrian

Eddie Cibrian's estranged wife, Brandi Glanville, said she slashed Cibrian's tires in August after a heated argument, according to E! News.

"Yes, I slashed his Harley tires," Glanville told the news outlet. "And it felt awesome!"

Glanville said she and Cibrian had separated at the time of the scuffle, but he was living in the family's guest house.

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"He broke my heart, so I broke his Harleys," Glanville said. "It was right after I found out about Girl No. 2, and I had that Carrie Underwood song in my head, and I just went for it!"

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A court declaration obtained by E! News showed that Cibrian filed in October for joint custody of his and Granville's two children, Mason, 6, and Jake, 2. According to the documents, Cibrian also accused Glanville of "verbally and physically attacking" him and vandalizing his Harley-Davidson motorcycle in August.

The couple separated in July, and Cibrian filed for divorce in August after eight years of marriage. The divorce followed months of heavy speculation about his fidelity, including reports of an affair with singer LeAnn Rimes, his Lifetime TV movie co-star.

Calls and e-mails to Cibrian's manager were not returned.