01/23/2013 07:15 am ET Updated Jan 23, 2013

LeAnn Rimes On Why She's In A Twitter Feud With Brandi Glanville On 'Jimmy Kimmel Live' (VIDEO)

LeAnn Rimes dropped by "Jimmy Kimmel Live" and got to talking about her husband's ex-wife. Rimes had an affair with Eddie Cibrian when they were both married, and things have been contentious ever since with Cibrian's ex, Brandi Glanville of "Real Housewives of Beverly Hills" fame.

Kimmel wanted to know why Rimes, who is such a talented singer with a great career, engages in these silly Twitter feuds with Glanville.

"I think that’s why I have no voice. I’ve been yelling at the TV screen I guess," Rimes said, referring to Glanville calling her out on "Watch What Happens: Live." She admitted that she'd actually lost her voice due to allergies. She also said she tries not to engage, but it doesn't always work.

"There comes a time when you’re just like, 'Screw you!'" she admitted. "That’s it, and then that’s all you want to say."

Catch "Jimmy Kimmel Live" every weeknight at 11:35 p.m. EST on ABC.

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