Rob & Chyna – Season 1
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Blac Chyna

Rob Kardashian’s Insecurity Led to Blac Chyna Breakup — Report

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Amid reports earlier this week that they've been estranged for months, we're learning more about the trouble in paradise for Rob Kardashian and Blac Chyna.

Sources close to the couple claim Rob's insecurity about his weight — as well as his 28-year-old fiancée's romantic past — caused a rift in their relationship.

PHOTOS: Rob & Blac Chyna’s Relationship Timeline In Photos 

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Despite a recent Snapchat Rob shared of his fiancée's pregnant belly, the stars are reportedly living apart for the time being.

Rob Kardashian Blac Chyna Snapchat
Credit: Rob Kardashian/Snapchat    

Rob's jealousy over past romances with rappers like Tyga and Future apparently got so bad, the pregnant star couldn't listen to certain songs without triggering comments like, "You'd rather date a rapper than a fat Armenian," TMZ sources claim.

VIDEO: The Game Claims He Had Sex With Blac Chyna 

The insecurities don't end there, either. While Chyrob seemed to bond over diet and exercise early on in their relationship, nowadays the 29-year-old sock designer takes her encouragement to eat healthier or work out as criticism.

A photo posted by Blac Chyna (@blacchyna) on

This all seems to match up with some of what we've seen on Rob & Chyna — not to mention past conflicts the youngest Kardashian had with his own family.

PHOTO: Here’s the First Ever Photo of Rob & Chyna’s Baby!

Here's hoping these two can patch things up for the sake of their daughter, who is due sometime in October.

Rob & Chyna airs Sundays at 9 p.m. ET on E!.