Rumor has it that One Direction star Niall Horan is upset with his fellow bandmate Harry Styles over his potential relationship with Kendall Jenner.

It hasn't been confirmed, but there have been reported speculations that Styles has been dating the Keeping Up With the Kardashians star. And according to a post from UnrealityTV on Thursday, Horan might see Jenner as a threat.

"[Harry] seems to be losing interest in the band," an insider reportedly said. "The other day, Harry and Niall [Horan] almost [fought] when Niall confronted Harry when he showed up to a meeting."

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The source had also reportedly mentioned that the One Direction members are more worried about Styles' possible relationship with Jenner than his brief romance with country superstar Taylor Swift.

"Kendall's a sweet girl, but they see her as a bigger threat than Taylor Swift ever was," the insider had apparently said. "She seems to have cast a spell over Harry, and it's disrupting other areas of his life because he's always wanting to spend time with her or chat with her on the phone when they're apart. It's causing a lot of unrest."

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While it is unknown if Styles and Jenner are even dating, it was recently rumored that the reality star was planning a special birthday weekend for the One Direction star in Big Sur, California. A source allegedly mentioned that Jenner wanted to take Styles to a fancy mansion for a private break together.

"She wants them to have some time alone where they can relax and enjoy each other's company," the source said.

Tags: Niall Horan Kendall Jenner Harry Styles