Brandi Glanville has accused LeAnn Rimes, wife of her ex-husband Eddie Cibrian, of having a "severe eating disorder." The "Real Housewives of Beverly Hills" star has told Us Weekly that the singer has a laxative "in every purse" and that she doesn't want her children around "this unstable person."

Is this the nastiest love triangle ever?

There's some stiff competition. Sometimes the tension spills over into violence, as it did when Halle Berry's boyfriend Olivier Martinez fought her ex, Gabriel Aubry, or when Paris Hilton and Shanna Moakler got into a fight over blink-182 drummer Travis Barker.

SODAHEAD SLIDESHOW: See the nastiest celebrity love triangles.

Musicians prefer to fight with their songs; Eminem and Mariah Carey fought it out through music when he claimed to have slept with her, as new beau Nick Cannon looked on helplessly. On a more classic note, George Harrison wrote the Beatles song "Something" about Pattie Boyd, while Eric Clapton wrote "Layla" for the same reason…

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And who could forget Mike Tyson's recent revelation that he caught Brad Pitt in bed with his wife back in the '80s?

PHOTOS: See the latest celebrity pictures to hit the Internet.

Which celebrity love triangle do you think is the nastiest?