Rob Kardashian is flying off the handle, posting naked pictures of Blac Chyna on Instagram and accusing his on-again, off-again fiancee of cheating on him with multiple men.

Kardashian's outburst began on Wednesday, July 5 when he shared a video Chyna allegedly sent him of herself kissing another man.

"Hahahaha Chyna just sent me this video saying happy 4th of July what a crazy person. Come spend time with your daughter instead of f-cking me and then this dude right after. U need help," Kardashian, 30, captioned the video.

Kardashian went on to post naked photos of Chyna, according to Us Weekly, including images of her butt, genitals and breasts.

Those pictures were promptly taken down by Instagram due to a violation of its no-nudity policy. Instagram photos remain, however, of rapper Ferrari, whom Kardashian claims had sex with Chyna in the bed he had paid for and slept in.

Kardashian accused Chyna, the mother of his seven-month-old daughter Dream, of having sex with three guys in three days, and a total of "eight dudes in less than a month."

Sources connected with the pair told TMZ that Kardashian received a direct message two weeks ago -- right when he reconciled with Chyna -- from a woman who is the mother of Ferrari's baby, claiming that Chyna and Ferrari had been intimate for two months. The allegation reportedly got the ball rolling on Kardashian's feud with Chyna.

Both Ferrari and Chyna denied ever having sex, TMZ reported, but then Ferrari posted a photo of himself in Chyna's bed -- appearing to wear Kardashian's Versace robe.

"I'm a savage and I always have been and I always will be and I don't give a f-ck. All u may think my daughter may see this one day and I hope she does cuz this isn't love. I never want my daughter to be raised by a woman like Chyna who cheats and does drugs and alcohol with my baby in the house. Chyna been like this long before me, but I chose to love all of her cuz I don't judge," Kardashian captioned one of his images.

"But second the baby was born she got body surgery I paid for and was gone from me and Dream's life. She only could breast feed for 4 weeks because she wanted to drink alcohol so bad. My daughter is the best thing that happened to me and she will know that Chyna did this out of spite, not love, cuz she mad my little sister took her baby daddy."

Kardashian was referring to how Kylie Jenner dated Chyna's ex, rapper Tyga, for years before they split several months ago.

"Damn I spent millions on this girl in less than a year and a half and she f-cking dudes who hit me begging for money or they gonna expose her. Too late man. And I never once spoke out on any of this because I respected and loved Chyna until she started going on social media talking lies and trying to make me look crazy when she the one sending me videos of her f-cking another dude in my house and my bed our daughter and I lay in!" Kardashian ranted.

Kardashian went on and on about how he has allegedly paid for Chyna and her mother's cars as well as $90,000 necklaces, a $70,000 watch and more.
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"Chyna I hope U find help and to this corn ball, u thirsty as f-ck for hitting me and begging to link with me and if I don't help u get money then u gonna expose Chyna. Bro go back to your son who is at home instead u out here f-cking someone that everyone f-cks including me. Lol. Clown. She everybody's and it's been that way. The disrespect in the bed that my baby daughter lays in. Chyna u literally lost on this one," Kardashian raged.

Kardashian insisted Chyna will "never see Dream again" and then called her out for allegedly taking "cocaine, X and E" frequently.
"I never been this disrespected in my life by a woman. A woman I just paid 16k rent and Ferrari I just bought and lambo and 400K in jewelry. Damn," Kardashian continued before making fun of Chyna's "messed up" and "so damn big" nipples.

Kardashian also posted a video of Chyna going into surgery.

"Everyone wonders how Chyna lost all that weight after the baby and she lies to everyone but no I'm such a great Husband that on our anniversary I paid 100K to do this surgery to get all everything fixed as much as they could. And then guess what she did after she was all healed when I was by her side the entire time? She left me and my baby which she had out of spite to get back at her other baby daddy," Kardashian wrote.

"The saddest part is I knew about all this and didn't say a word or speak on anything because I actually Love Chyna genuinely until she just sent me a video of her and this man kissing in her bed with my daughter and her son in the house. The same day she sent me pic of her p-ssy and saying i can come f-ck her soon."

Kardashian called Chyna, 29, "sloppy" and "messy," adding that she allegedly told him that she wants to have "a third baby daddy" and more kids.

After Kardashian's lengthy and explicit rant, Chyna accused him of physical abuse.

"Rob u did all this but u beat me up and try to act [like] it never happen !!!!!" the model alleged in a since-deleted Snapchat post on July 5, according to Us. "U put hand on me I swear on god !!!!! On my kids but I'm supposed to be quiet because you're a Kardashian... The light will come to the light."

On July 2, Chyna had declared herself "single" and "happy" in an Instagram post which featured Dream.

Kardashian and Chyna were last spotted celebrating Father's Day together at Disneyland in June. The tumultuous twosome got engaged in April 2016 but called off their engagement later that year.