Khloe Kardashian makes Kris Jenner take a lie detector test AGAIN

Khloe Kardashian has questioned, for years, who her real dad is and now she wants to know if the rumours that O.J Simpson is her father is true?

The* Keeping Up With The Kardashians* star has always felt like a bit of the black sheep of the Kardashian family and according to In Touch has always been "obsessed" with the possibility that her late father Rob Kardashian isn't in fact her biological dad.

So now 31-year-old Khloe is forcing her mother to take a lie detector test.

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During her new talk show, Kocktails With Khloe, the realist TV star will be able to ask all the questions she's ever wanted answering.

"Kris is hemming and hawing, but let's be honest - she loves good TV!" reveals the US magazine's source.

And it's not the first time the 59-year-old momager completed a lie detector test.

During a KUWTK episode in July 2012, Kris passed a polygraph test regarding Khloe's paternity questions.

At the time, the test was requested after Kris met up with toyboy, Todd Waterman, who she had enjoyed an affair with while married to her childrens' father Robert.

Kris decided to meet up with Todd following an argument with her then husband Bruce Jenner (now known as Caitlyn Jenner).

When she revealed to her daughter, Khloe, Kourtney and Kim Kardashian who she met, the girls decided to enlist a polygraph specialist called Joseph who has worked with 'the Kennedys and the CIA' to find out all the details about their meet up.

Khloe Kardashian looks AMAZING stripped down for Complex sports shoot: