Pregnant Blac Chyna wears a very skimpy bikini as she posts Snapchat video of herself getting a kiss from son King Cairo 

She's expecting a baby with Rob Kardashian and Blac Chyna posted a very racy Snapchat on Wednesday.

The 28-year-old wore a very skimpy bikini and flashed her cleavage piercing as she got a peck on the cheek from her son with rapper Tyga, King Cairo, three.

The lovely lady looked gorgeous in the short clip, flaunting her curves as she enjoyed some bonding time with her doted-on little boy.

Kisses from her boy: Blac Chyna wore a very skimpy bikini and flashed her cleavage piercing as she got a peck on the cheek from her son with rapper Tyga, King Cairo, three in a new Snapchat

Kisses from her boy: Blac Chyna wore a very skimpy bikini and flashed her cleavage piercing as she got a peck on the cheek from her son with rapper Tyga, King Cairo, three in a new Snapchat

Rob's fiancee shows off her cleavege in a halter-neck bikini top, which also flashes her chest piercing.

Posing for the camera, the mum is seen getting a peck on the cheek from her son, as she captioned the clip 'baby kiss.' 

Chyna is expecting a baby with fiancee Rob, who she became engaged to in April.

Racy! Rob's fiancee shows off her cleavege in a halter-neck bikini top, which also flashes her chest piercing

Racy! Rob's fiancee shows off her cleavege in a halter-neck bikini top, which also flashes her chest piercing

She recently revealed that she planned to gain 100 pounds during her pregnancy, taking to her Snapchat to document a not-so-healthy meal she was preparing.

In one of the snaps, the fiancée of Rob Kardashian said: 'Like no lie, my goal is to gain like 100lbs in this pregnancy. I'm gonna tear it up, then I'm gonna snap back.'

This comes just weeks after she hit back at trolls for making negative comments about her changing body.

Fun with filters: The pregnant star also had fun with some SnapChat filters as she posed in a low cut vest

Fun with filters: The pregnant star also had fun with some SnapChat filters as she posed in a low cut vest

Social media fan: The soon to be star of her own reality series played around with the rainbow filter

Social media fan: The soon to be star of her own reality series played around with the rainbow filter

In the now deleted post, Chyna wrote: 'To all you people out here with negative comments and insecure words (obviously because you have nothing else to do but criticize the next) I AM HAVING A BABY!'

She continued that she wants her pregnancy to be as comfortable as possible and that she wants to keep any negativity away from her future child,

She wrote: 'Exactly what do you expect to see?! If I walked out in makeup and heels everyday to be beautiful to you means I WOULD BE MISERABLE AND UNHAPPY which are two vibes I refuse to transfer to my little one.  

Rob, who quit his famous family's reality series Keeping Up With The Kardashians two years ago, and Chyna launch their own reality show in the fall. 

Ready for her close up: Rob, who quit his famous family's reality series Keeping Up With The Kardashians two years ago, and Chyna launch their own reality show in the fall

Ready for her close up: Rob, who quit his famous family's reality series Keeping Up With The Kardashians two years ago, and Chyna launch their own reality show in the fall

 

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