Rob Kardashian has apologised to Blac Chyna.

Rob Kardashian and Blac Chyna

Rob Kardashian and Blac Chyna

The 'Keeping Up With The Kardashians' star - who was left "heartbroken" after the 28-year-old model walked out of the family home with their one-month-old daughter Dream over the weekend - has taken to social media to pen a sweet message to his fiancé and revealed he is "seeking help to deal with his flaws".

Posting a picture of them both on Instagram, he wrote: "This weekend I was in an emotional bad place and did some things that embarrassed myself and my family.

"I apologize and I'm seeking help to deal with my flaws/issues. Please pray for me and I'm sorry @blacchyna. You are a great mother to our child and I love you. (sic)"

It comes after it was claimed the couple fought over "ridiculous" things.

A source said: "He has absolutely been the instigator in most of their past fights. His emotional problems takes over and he lashes out at Chyna over ridiculous stuff. Chyna just had a baby and he keeps fighting with her over ridiculous things. It's like he just can't help himself. Whenever he gets along with Chyna, he finds a way to ruin it. He is crazy suspicious and doesn't trust her at all ... Now he keeps fighting with her over issues that his family had from the beginning. He doesn't trust that she actually loves him and that their relationship is only about money to her.

"But it just seems it's kind of too late to have these issues now. Rob is a dad and that should be his focus. He cries now that he misses his baby, but he isn't mature enough to not start fights with Chyna in the first place. It's just a crazy mess. A very sad crazy mess. It's just sad that he treats the mother of his child like this. Rob and Chyna are like oil and water. They just bicker constantly. It's not healthy."

The pair split up after Chyna accused Rob of "verbally abusing" her on a regular basis.

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