A pregnant British model has wowed the internet after sharing a series of snaps of herself in a daring bikini – but it's her flawless booty that has sent fans wild.

Iskra Lawrence, 29, who's seven months pregnant, recently took to Instagram to show off her stunning physique in a black two-piece, which included a G-string bottom.

"My lovely lady bumps … in the back and in the front," she wrote. "Seven months never felt so hot."

Iskra revealed the secret to her flawless booty was as much the result of lighting as it was anything else. Photo / Instagram
Iskra revealed the secret to her flawless booty was as much the result of lighting as it was anything else. Photo / Instagram

While her 4.5 million followers were clearly delighted by the stunning images, many were also keen on the model divulging the secret behind her cellulite-free skin, reports news.com.au.

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"You look amazing! Please tell me how do you have NO cellulite?! Mine is so bad since my pregnancy," one commenter asked.

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Although Iskra would have been well within her rights to dodge the question, her reply was surprisingly honest.

"The lighting too my love – looks can be deceiving," she said. "I defo (sic) have some you can see more in diff (sic) lighting. It's totally natural, my love."

The body positive activist told fans she was also a fan of dry brushing and regular moisturising as a way to circulate blood to cellulite-prone areas. Photo / Instagram
The body positive activist told fans she was also a fan of dry brushing and regular moisturising as a way to circulate blood to cellulite-prone areas. Photo / Instagram

Further down the thread, the body-positive activist explained she was also a fan of dry brushing and regularly moisturising to ensure her booty looked its best.

"Lighting is deceptive also. I do dry brush and exfoliate and lotion twice a day every day," Iskra said.

Dry brushing, or body brushing, is where you gently brush skin before showering to promote blood circulation and the elimination of toxins, particularly in cellulite-prone areas.

Commenters were delighted that the model had offered some insight into her beauty routine, with many saying they planned to try the cellulite-beating practice themselves.

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"From now on I will make time for dry brush & moisturise," one person said, adding: "I hope you're enjoying your pregnancy as much as I did. Becoming a Mum is just the most precious, amazing gift."

While the lingerie model is loved by millions, she recently faced criticism after announcing her pregnancy online with a sponsored Instagram post.

Iskra, pictured with her boyfriend Philip Payne, faced backlash after revealing her pregnancy with a paid Instagram post. Photo / Instagram
Iskra, pictured with her boyfriend Philip Payne, faced backlash after revealing her pregnancy with a paid Instagram post. Photo / Instagram

Iskra, who is expecting her first child with her boyfriend Philip Payne, announced the news with a stunning photo showing herself holding a positive pregnancy test.

"It's not just the two of us anymore, we're soon to be a family of 3," wrote the model.

"When @Philipapayne ran out and got us six boxes of #ad @firstresponsepregnancy Early Result tests, our lives changed forever."

Although the 29-year-old had been upfront about the post being a paid ad, she raised the ire of some commenters who thought payment for the announcement was in bad taste.

"Your pregnancy announcement is literally an ad bye," wrote one commenter.

Another added" "You … copped out your pregnancy announcement with an ad placement???"

In a bid to reassure upset fans, Iskra explained the post wasn't a cash grab, and she planned to help other couples with infertility struggles.

"I'm well aware of the struggles many women face with infertility and how lucky I am," she wrote.

"That is why I'll be giving away $10,000 to help and support one of you in your pregnancy journey."