90 Day Fiance star Paola "Pao" Mayfield is showing off her curves and growing baby bump.

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The 31-year-old Colombia native has been documenting her pregnancy on social media for several months by sharing sexy pictures in dresses, crop tops, and more.

RELATED LINK: '90 DAY FIANCE' COUPLES NOW: WHO'S STILL TOGETHER? WHO HAS SPLIT?! (PHOTOS)

And this week, Paola posted a selfie in which she was posing in a crochet bikini top and skimpy red thong.

"My little angel is growing healthy and stronger," Paola, who is currently living in Oklahoma, captioned the image. "I can't wait to meet you."

Paola's husband Russ Mayfield also made an appearance on her Instagram. She shared a photo of Russ wrapping his arms around her shoulders. 

"Our protector," wrote Paola, who is carrying a baby boy. "We love you."

The couple announced they have a baby on the way back in July.

"This is the most amazing freeing ever! We can't believe we are going to be parents," the pair told Us Weekly at the time. "We are already so in love with our baby."

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Russ met Paola, a model and former fashion designer, in her home country of Colombia while he was on a work assignment in the petroleum industry.

The reality TV stars got married in October 2013 and initially starred on Season 1 of 90 Day Fiance.
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Paola and Russ are going to become first-time parents after working through a devastating miscarriage.

The pair's challenges and marriage issues due to the traumatic event were chronicled on the recent third season of 90 Day Fiance: Happily Ever After?.

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A different spinoff of 90 Day Fiance called 90 Day Fiance: Before the 90 Days currently airs on Sunday nights at 8PM ET/PT on TLC.