Justin Bieber tells fans to stop threatening Kim Kardashian

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He posted a photo of the two of them on Twitter and joked she's his girlfriend. She responded by saying she had "Bieber fever."

It looks like the Bieber faithful did not take kindly to that. Kardashian has tweeted she's gotten death threats from Bieber fans. Bieber has tweeted, "Ladies, calm down.

Kim Kardashian is a friend. A very sexy friend, but a friend." He says there's no need for threats and "let's all be friends and hang out often."

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