David Arquette & Girlfriend Split: ‘Sadly, I'm Single Again’

March 7 2012, Published 5:00 a.m. ET

David Arquette and Entertainment Tonight beauty Christina McLarty have called off their coast-to-coast relationship.

“Sadly I'm single again,” the Dancing with the Stars alum tweeted Tuesday. “A long distance relationship proved to be too difficult.''

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Arquette lives in Los Angeles, while McLarty lives in New York. She had not addressed the split on her Twitter page as of early Wednesday.

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The duo had been dating since last summer, in what was Arquette’s first high-profile romance since his separation with wife Courteney Cox in October 2010.

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As for Cox, she told Howard Stern last month she’s been celibate since her break-up with the Scream star, who’s also the father of her only child, Coco.

“I have not had sex,” said Cox, whose breakout came with a 1984 cameo in Bruce Springsteen’s Dancing in the Dark video. (She was 20-years old at the time.) “It's been about a year. I'm holding to it.