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Khloé Kardashian's New Beau James Harden Already Cheated?

Exclusive khloe kardashian and james harden close down toscanova on a date night no web web embargo until 71515 1030 am pst must call for pricing

Credit: (Photo credit: AKM-GSI)

Trouble could be brewing for Khloé Kardashian‘s new boyfriend.

In a recent interview with Australian magazine New Idea, a pretty blonde named Rochelle Relf claims she jumped in bed with James Harden last month in June—during the time which he was already dating Khloé.

Relf, an animal activist according to her Instagram page, told the magazine that the Southern California-native NBA star hooked up with her at a casino in Sydney called The Star.

?? Date Night

A photo posted by Rochelle Relf (@rochellerelf) on

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“Khloé was with James in Hawaii, then he flew to Australia and spent the night with me,” Relf dished to the magazine. “He was charming, affectionate—he asked me to visit him in America and told me that he was a single guy.”

Later, the pair was spotted heading into a club at the hotel Marquee that led to “openly kissing and holding hands,” reported the magazine.

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Harden apparently “kept checking I was single and asked if a boyfriend would come bursting through the door looking for me,” the Australian beauty claims.

“I laughed and asked if any girl was going to come bursting through the door looking for him and he said, ‘No.'”

READ: Lamar Odom Finally Accepts It’s Over With Khloé Kardashian

And since everyone knows about Khloé’s past painful experience with her ex Lamar Odom, Relf wants to save Khloé from another heartache.

PHOTOS: Is Khloé Kardashian Going To Be The New ‘Bachelorette’ On The Show?

“I’m saying all of this because she shouldn’t be wasting time on this guy,” she said. “He was happy to be entertaining girls in his hotel room and if he was my man, I would be chucking his clothes out on the street.”