Kylie Jenner is making it clear that she couldn't care less about her supposed love rival, Blac Chyna. In fact, sources close to the reality television star say that she isn't bothered by the rapper's social media disses towards her and that she thinks Tyga's former fiancé is both "sad and trashy."

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According to Hollywood Life on Wednesday, a source close to the Keeping Up With The Kardashians star says that Kylie doesn't want to stoop down to Blac Chyna's level in a social media tug-of-war. Blac Chyna and Tyga have a son together named King Cairo.

An insider told the side, "Kylie thinks Blac Chyna is trashy and that there's absolutely nothing she could ever learn or gain from her. Kylie doesn't even hate her...she just thinks she's sad. And it's a shame because Kylie actually thinks Chyna is a pretty girl on the surface, but her attitude is deplorable."

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Just last week, Blac Chyna posted a photo of her wearing oversized lips, which was allegedly a dig to Kylie and her own plumped up lips, which she says appear that way thanks to a little makeup contouring. Many critics though think that Kylie has had several surgeries and botox injections to help enhance her look, all of which she denies.

The source added, "Before Chyna posted the picture, Kylie was down to meet her and put all the bulls- behind them," our source adds. "But now that she's disrespected her in such a degrading way, Kylie won't have anything to do with her."

Kylie and Tyga have been supposedly dating for several months now, although they are yet to make any official statements about their relationship. The couple has faced a lot of criticism thanks to their huge age gap, as Tyga is 25 and Kylie is only 17.

Tags: Kylie Jenner blac chyna