Audrina on Kristin and Justin Bobby Hookup: It’s “Entertainment”

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Audrina Patridge says it isn't difficult seeing her ex, Justin Bobby, lock lips with foe Kristin Cavallari on The Hills.

"At the end of the day, it's a show," Patridge, 24, told Thursday at MTV's Los Premios in Los Angeles Thursday. "It's entertainment. And you can't take anything serious on that show."

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She and Cavallari, 22, clashed on the sixth season premiere because Cavallari pursued Bobby.

Asked if she and Cavallari have since ended their feud, Patridge told Us, "I don't know. I really don't know how it's going to play out. We still have three weeks of filming – and that's it."

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Patridge is getting ready to leave The Hills after this season to star in her own reality show, to be executive produced by Survivor creator Mark Burnett.

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"I'm an adult now, and I don't need all the petty drama and drinking and fighting," Patridge — who just split from Aussie BMX racer Corey Bohan — recently told Maxim. "I've done that, and I'm ready to move on."

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