Teen Mom Kailyn Lowry almost busts out of tiny bikini in rare new full-body pic after 'quietly welcoming 5th child'

KAILYN Lowry has shared a new photo from her trip of a lifetime to Thailand.

The Teen Mom 2 star posted the pic to her Instagram Stories, showing off her curvy figure to her followers.

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In the photo, the 31-year-old posed in front of a mirror in her hotel.

Behind her stood another mirror, with a table and chair placed to one side beneath beautiful stone arches.

The MTV personality took the selfie with her phone covering her face, showing only her beachy blonde hair left to hang in tousled waves.

Kailyn posed in just a bikini for the shot, and revealed her rarely-seen full body in the black-and-white ensemble.

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Her black bikini top dipped down in a dramatic v-shape, and displayed a generous amount of cleavage.

The mother also opted for black and white patterned bikini bottoms with a high waist.

The beach-ready look gave her followers a glimpse of Kailyn's many tattoos, which trailed down from her shoulders to cover the entirety of both arms.

Kailyn decided not to caption to post, and let the photo speak for itself.

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CHILD-FREE GETAWAY

Kailyn flew to Thailand to celebrate her 31st birthday, and opted not to take her four sons or alleged new baby with her.

On Reddit, one fan asked what people thought about Kailyn "having a free holiday with the nanny in Thailand" and "leaving the kids at their dads."

One fan argued: "It's a great travel memory!"

Another claimed: "Kailyn complained a ton about how difficult it is to take care of four kiddos alone. And now she brings the nanny on a trip, but not her kids?"

"Kailyn just needed an adult friend to go on vacation with," reasoned one person.

A critic questioned: "Kailyn doesn’t care she left Creed behind?"

A further comment read: "Isn't her youngest a secret baby a little young to be leaving behind for a big international trip?" while another pointed out: "The baby has a dad."

BABY AT HOME?

Kailyn is already a mom to Isaac, 13, with her ex Jo Rivera; Lincoln, eight, with her ex-husband Javi Marroquin; and Lux, five, and Creed, two, with her ex Chris Lopez.

Last month, however, The U.S. Sun exclusively shared an insider's claim that Kailyn quietly gave birth to her fifth child, with live-in boyfriend Elijah Scott.

A source close to the star said: “Kailyn gave birth to a baby boy on November 20 with Elijah. She has only told close family and friends.”

It came after months of speculation that Kailyn was pregnant after she was seen sporting what looked like a baby bump on numerous occasions.

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Fans then noticed her seemingly slim down after her supposed due date and were convinced she had given birth after spotting various clues in her social media posts.

However, Kailyn has been tight-lipped on the matter and has not publicly addressed the rumors

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