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Blac Chyna's mother didn't know she was pregnant

Blac Chyna's mother didn't know she was pregnant

Blac Chyna's mother didn't know she was pregnant.

The 27-year-old model who announced she was expecting her first child with her 29-year-old fiancé Rob Kardashian via social media on Friday (06.05.16) had intended to share the news on Sunday (08.05.16), which is Mother's Day in America, but was allegedly "forced" to unveil the exciting news earlier in fear of the Kardashian/Jenner family beating her to it.

Speaking to PEOPLE about the announcement a representative of the blonde beauty - who has three-year-old son King Cairo with her ex-fiancé Tyga, who is currently dating Kylie Jenner - said: "She would have preferred to have announced it on Mother's day herself. But her hands were forced.

"But allegedly the other half of her family leaked her story so she had to announce it.

"It's the business. There's a TV show to promote.

"The only people that knew from Chyna's side was myself and Amber [Rose]. Her mother didn't even know. [Chyna's] moment was taken from her, which is really sad."

Meanwhile, the star who announced she was engaged to the Arthur George sock designer last month after they began dating in January this year, is coping well and is not suffering from morning sickness.

The source said: "[Blac's] very happy and doing great. She hasn't had morning sickness. It's been a very easy pregnancy thus far."

Blac publicly announced she was expecting her second child by posting an emoji of her with a baby bump on Instagram and captioned it with the baby face emoticon, which was also shared by the Arthur George sock designer.

And her former rapper beau has congratulated the pair on the news.

Tyga wrote on the upload: "Congratulations (sic)".

Rob was initially torn between his lover and his youngest half-sister Kylie, although the pair have now become friends.

Taking to his Instagram account late last month, the once-reclusive star uploaded a photograph of the former arch-enemies posing for a photograph together alongside the caption: "So happy my girls finally got to talk and make peace! #MyFamily #AllLove (sic)."