UsMagazine.com reports the hot couple are not so warm towards each other right now, and spent the holiday break apart.
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Perry, 27, reportedly flew to Hawaii with her friends. Husband Russell stayed in England and hung out with pals at a pub, according to Us Weekly.
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"They had a massive fight," an insider tells Us Weekly. "She was like, \'F--k you. I\'m going to do my own thing.\' Russell replied, \'Fine, f--k you too.\'"
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The tabloid claims that trouble surfaced back in November: "They haven\'t split up just yet, but things are not good," says an Us source. "The fighting is getting worse."
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Jesus is at the root of the problem, according to Us: "Katy doesn\'t think Russell respects her parents\' Christian beliefs or her friends."
