Rapper Ray J breaks his silence on the video scandal that brought him and Kim Kardashian into the spotlight 15 years ago and threatens to sue reality star, Kris Jenner.

William Ray Norwood Jr., known professionally as Ray J, started his rap career in 1995. However, he, later on, rose to prominence in 2007 when a pornographic home video with former girlfriend Kim Kardashian, titled "Kim Kardashian, Superstar" was made public.

Now, in a series of Instagram posts, the 41-year-old rapper took a video of himself ranting about reality star Kris Jenner, calling her a "mastermind" regarding her involvement in his and Kim Kardashian's leaked sex tape.

"You going to try to crush my career, make me look stupid, when you know you was the mastermind," Ray J expressed angrily in his video. "Kris, you know you ran the play."

A post shared by instagram

READ ALSO: 'Sex and the City' Star Jason Lewis Reveals Real Reason He Joined 'Dancing With the Stars'

Kris Denies Involvement in Scandal

In a recent lie detector test that Kris Jenner took on "The Late Late Show with James Corden". During the segment, the mother of six denied any involvement with her daughter's leaked sex tape, to which polygraph examiner John Grogan confirmed that she was telling the truth.

However, in Ray J's recent Instagram post, he lividly expressed his thoughts in a video threatening to sue the reality stars for defamation. In all caps, the rapper tagged ex-girlfriend Kim Kardashian in his caption.

"I DONT GIVE A FUCK HOW OLD THIS SHIT IS!! WHAT YOU TRYING TO DO TO ME IS ALMOST INHUMANE AND FOUL AT THE HIGHEST LEVEL" Ray J stated in a long and raged caption.

A post shared by instagram

James Corden Gets Called Out by Ray J

Finally, for the third post in Ray J's raging spree on Instagram, the rapper tags host James Corden for enabling polygraph examiner John Grogan to conduct the lie detector test on his show.

The rapper posted an edited photo of screenshots exposing John Grogan, and proceeded to rant in all caps on his caption.

A post shared by instagram

Ray J exposes Grogan for being convicted of twenty-six counts of fraud and emphasized that Kris Jenner's answer on the lie detector test was false. The rapper also claims that he has proof of the reality stars' involvement on the leaked scandal and threatened to expose them soon.

As of now, no comments from Kris Jenner or Kim Kardashian's representatives have been given on the issue.

READ ALSO: Anna Kendrick Admits 'Alice, Darling' Role Felt 'Incredibly Cathartic,' Opens up on Tragic Past