It looks as though Kylie Jenner's plan of morphing into her sister Kim Kardashian is working, but unfortunately it appears that her older sister is not too happy about it. Rumor has it that Kim is supposedly jealous that Kylie is becoming a "better looking version" of her as and that she might be intimidated by the 17-year-old.

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According to OK! Magazine on Thursday, while Kylie and Kim have admitted to not getting along at times, their alleged feud has gotten worse.

A source told the site that Kim has even stepped up and confronted Kylie about her ever changing looks. The insider said that Kim "fronted up Kylie and tore into her for copying her style and her look. Kylie denied it, of course, but she really does look more like Kim every day."

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The source added, ""Kim's got a huge ego and thinks Kylie's a threat to her brand...it's because Kylie's a much better looking version of her - and she knows it."

According to OK! Magazine on Wednesday, a source close to the teenager says that she's determined to steal the spotlight away from her sisters and that's why she's supposedly undergone so many surgeries.

An insider told the site, "Going through her awkward phase [on television] she was severely bullied and subjected to harsh public scrutiny. All she ever heard was people talking about how much prettier Kim, Kendall and even Kris were. As a result she began hounding her mother about plastic surgery from a very early age."

So far, Kylie herself hasn't commented on the rumors.

Tags: Kylie Jenner Kim Kardashian