'Stretched to the max' mum-to-be shares huge pregnancy belly photos

Twins may be double the fun but they also take double the space during pregnancy - just ask this mum.

Charlotte Graves has shared the struggle in a TikTok video showing her swollen pregnancy belly that is currently housing twins. 

Graves, who is 36 weeks pregnant, captioned the video, "I'm absolutely stretched to the max now and so ready for their arrival."

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The video has amassed over eight million views and countless comments from supportive viewers.

"A woman's body is just amazing that it can house two babies. Go mumma!!!!" one commenter said.

"Ma'am are you okay? Clearly they need to pay you for rent, praying for healthy babies and delivery mommas!!!" another commenter added.

Charlotte also shared another video of a 'before' pregnancy shot and after. Viewers were again sympathetic for Graves but praised the elasticity and power of a woman's body during pregnancy.

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"Man, it is wild bodies can accommodate 2 kiddos in such a drastic way. you're glowing mama!" One supportive view commented.

Other viewers wished the soon-to-be mum a safe delivery. "How are you still standing! Good luck rest of pregnancy and have a safe delivery."

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Graves has been using TikTok to document the raising daughter Hadley and the pregnancy journey of her twins.