Fans got a behind-the-scenes look at Rob Kardashian and Blac Chyna's volatile relationship after an Instagram hack leaked extremely private conversations.

In direct messages between the mother-of-two and her best friend Treasure, Chyna admits to not only hitting the KUWTK star, but also her ex-fiancé Tyga.

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"Imma slap the s–t outta him," the 28-year-old beauty wrote. In another screenshot, her friend texted, "He prolly will get in line tho cause he don't want to b abused lol."

blac chyna instagram hack
Instagram

Chyna replied, "Ok, I don't want to treat him like Tyga but I will."

Along with exposing possible physical abuse, the social media star also revealed her relationship with Rob, 29, had a timeline.

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"Imma give Rob 1 year to get it together. Or I'm gone."

For a look at all the since-deleted private messages, click through the gallery below!