10 Most Volatile Celebrity Relationships

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5) Mel Gibson and Oksana Grigorieva

Mel Gibson’s another celebrity who doesn’t seem to need couples therapy so much as individual medication. Still, his anger and bigotry issues have spilled over into his relationship with Oksana Grigorieva, after Gibson dissolved his long-time marriage to be with her. Grigorieva released a taped phone conversation filled with Gibson’s rants, foul language and threats. She later fled their home after Gibson reportedly punctuated his argument by waving a gun around.