LeAnn Rimes admits she was "selfish" to have had an affair with married actor Eddie Cibrian.
The 27-year-old singer grew increasingly close to her co-star in TV movie Northern Lights in 2008 and they were regularly seen together even after filming ended, leading to the end of her seven-year marriage to dancer Dean Sheremet.
She said: "I did one of the most selfish things that I possibly could do, in hurting someone else.
"I take responsibility for everything I've done. I hate that people got hurt. But I don't regret the outcome."
Discussing the affair with Cibrian - with whom she is now in a committed relationship with after he ended his marriage to Brandi Glanville - Rimes said: "It was very emotionally driven. I never once thought what I was doing was ok."
She also admits her marriage to Sheremet - who she is close to finalising divorce proceedings with - wasn't right for either of them.
She added to People magazine: "It wasn't a marriage that fulfilled either one of us."
Rimes and Sheremet's divorce is expected to be completed on June 19, although the details are expected to remain private.
- BANG! SHOWBIZ
LeAnn Rimes: My affair was 'selfish'
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