Blac Chyna and Rob Kardashian pull off incredible Mannequin Challenge as their daughter is born

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Blac Chyna and Rob Kardashian welcomed their first child together, daughter Dream Renee Kardashian, into the world on Thursday.

But, ever the opportunists for a good on-camera moment, the parents-to-be pulled off what is perhaps the best attempt at the Mannequin Challenge we have seen so far.

The viral trend kicked off a few weeks ago and sees groups of people posing still in a range of positions, just like mannequins.

Rob Kardashian and Blac Chyna
Rob Kardashian and Blac Chyna (KCR/REX/Shutterstock)

It's fair to say the trend has now peaked with this delivery-room version, complete with Kardashian matriarch Kris Jenner in the clip while Chyna pretends to give birth.

The funniest moment is perhaps new dad Rob, who is poised down for the money shot but is barely able to keep himself from laughing.

Chyna later gave birth via C-section.

The reality TV star couple were overjoyed with their adorable new addition later in the day, Chyna sharing a video of their little girl on Instagram.

Clearly blessed with a fantastic head of hair, new dad Rob can be heard saying: "Look at your Kris Jenner haircut!"

There were some other social media shares too, including one from Rob, who could not quite believe the likeness of his daughter to his late father, Robert Kardashian.

He wrote: "She's an exact copy. Pops sent us an angel. It's truly a blessing. He's happier than anyone on this day. I'm so happy and thankful. GOODNIGHT."

Dream is the first child for Rob, 29, who is the younger brother of Kim Kardashian West, Kourtney and Khloe Kardashian, and Chyna, 28, has three-year-old son King Cairo from her previous relationship with Tyga.

The couple announced their engagement in April and pregnancy in May. The E! network said in June that it would track their relationship and baby preparations in a reality show called Rob & Chyna, which premiered in September. The most recent episode aired last month.

The network's cameras captured Dream's birth on Thursday and promised to "bring viewers into the delivery room" during the Rob & Chyna Baby Special episode set to air in December.

Rob also has been featured on his family's reality show, Keeping Up With the Kardashians, which also airs on E!