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Rob Kardashian 'fell in love' with Blac Chyna 'immediately'

Rob Kardashian 'fell in love' with Blac Chyna 'immediately'

Rob Kardashian fell in love with Blac Chyna "immediately".

The 29-year-old sock designer is set to marry the 27-year-old model, who is also pregnant with his child, and says he fell for his future wife because he witnessed how great a mother she is to her three-year-old son, King Cairo Stevenson.

Rob took to his Instagram on Mother's Day (08.05.16) to post a sweet picture of the loved-up couple leaning in for a kiss, and wrote: "And last but not least happy mamas day to this beautiful Mama, I fell in Love with her immediately because of how great of a mom she is and now I'm looking forward to starting a Family with her ! Thank You Chy for everything you do for me. (sic)"

The reality TV star kicked off his Mother's Day tributes by praising his own mother, Kris Jenner, and declared he was "appreciating" all mothers and thanked the 'Keeping Up With The Kardashians' star, 60, for putting up with her huge family.

He wrote: "I'm APPRECIATING all the moms heavy today so THANKS to all the beautiful moms in this world ‼️ lol cuz they deserve it ,,,, once again mama I love you and thanks for putting up with your 6 crazy kids every single day and love you more than you know. (sic)"

The reality TV star is seemingly on a high and delighted to be starting a family of his own with Blac, just four months after they sparked their romance.

However, his family, including sisters Kim Kardashian West, Khloe Kardashian, Kris Jenner and Kylie Jenner- who is dating Tyga, the father of Blac's toddler - aren't though to be overly thrilled about the pair's relationship.

The insider explained to "The family found out in the last couple weeks. Rob told everyone separately. They didn't have a big family meeting or anything like that.

"When Rob started dating [Chyna], it was like, 'OK, this is a phase.' And when they were talking about the engagement, it's like, 'But it won't last.' But now that there's a baby coming, everyone in the family knows that this relationship has permanence. Even if it doesn't work out, they're going to be co-parents of this child forever."

The family locked horns with the 27-year-old model when she fell out with Rob's half-sister Kylie after she started dating Blac's ex-fiancé Tyga, who is the father of her three-year-old son King Cairo.

However, they've since managed to put their feud to bed.