Nicole Richie is Single

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It’s hard to imagine that a Hollywood romance could go bad, but it looks like our worst fears have come true. Nicole Richie and Joel Madden have split up. Stay strong, friends. Star Magazine reports:

For months they’d been fighting over everything from marriage to moving, but Nicole and Joel’s strained relationship hit a new low when, during yet another battle, she screamed at him, “We’re through,” and fled to her mother’s home, taking their daughter, Harlow, with her, a friend tells Star. Although Nicole returned the next day, “This was her way of sending Joel a message,” says the pal. “Nicole loves him, but things need to change.” Days after their big blowup, things were no better, so Nicole once again walked out on Joel – jetting to New York City, with Harlow in tow, for Mercedes-Benz Fashion Week. She wasn’t alone for long. Joel followed her to the Big Apple, and the quarrelsome couple made a brief yet disastrous appearance at the Charlotte Ronson afterparty at Country Club on Sept. 6. “She was just in a miserable mood, and there was obvious tension,” an eyewitness tells Star. “I didn’t see her talk to Joel the entire night, and it seemed like he was avoiding her too. Nicole was just so angry!”

Whatever. It’s Nicole Richie and Joel Madden. I’d be more upset if a pair of my socks got separated.

Nicole after the Marc Jacobs fashion show on September 9th:

Photos: Splash