Teenager Chelsea Clark even claims Jenner masterminded a car accident to warn her off pursuing Will Smith's actor son Jaden as a potential beau.

In documents obtained by TMZ.com, Clark, 17, alleges Kylie was jealous because Jaden was interested in a romance with her. She claims Jenner called her and said, "Leave my boyfriend alone 'cause you will never be like me."

Clark also claims her alleged love rival hired people to follow her and send threatening messages to her over social media.

But it's the car accident claim that really stands out - the plaintiff alleges she hurt her back in the crash, which she believes Kylie masterminded. Clark requested a temporary restraining order, but it was denied.

She was asked to take the threatening text messages she received from Jenner to court on Monday (21Sep15), but she didn't show up. A hearing has now been scheduled for 9 October (15).

Jenner's representatives tell TMZ.com the reality TV star, who is now reportedly dating rapper Tyga, has no idea who Clark is.