Heating up the pool! Kourtney Kardashian makes a splash as she plays around in a bikini

She's got three children under the age of seven and an incredibly toned figure to boot.

And Kourtney Kardashian put her flat stomach and her sculpted limbs on full display in a dusty rose bikini last week during her Costa Rica vacation.

The 37-year-old reality star splashed about a pool in the tiny swimwear while rocking gold jewelry and minimal makeup. 

Sizzling: Kourtney Kardashian put her flat stomach and her sculpted limbs on full display in a dusty rose bikini last week during her Costa Rica vacation

The eldest daughter of Kris Jenner showed off her gym honed frame in the two-piece look by Melissa Odabash - the $214 Sardinia criss cross bralette bikini.

Kourtney, pictured last Sunday, complemented the revealing pool look with layered gold necklaces and matching bangles.

The Keeping Up With The Kardashians star styled her long, dark brunette tresses loose and center-parted.

She wore just a touch of makeup for her splash session with her close friend and Kim Kardashian's assistant Stephanie Sheppard. 

Sun kissed: The 37-year-old reality star splashed about a pool in the tiny swimwear while rocking gold jewelry and minimal makeup

No care in the world: The eldest daughter of Kris Jenner showed off her gym honed frame in the two-piece look by Melissa Odabash - the $214 Sardinia criss cross bralette bikini

Make like Kourtney and get a Melissa Obadash bikini

Kourtney Kardashian was seen frolicking on her latest winter holiday with her family in Costa Rica.

The KUWTK star was working her curves in a rose hued Sardinia bikini set from one of the Kardashian's favorite brands Melissa Obadash!

Click to the right to snag the exact style she is wearing via their online boutique. Take a look at the numerous styles and colors that this celeb favorite swimwear line offers.

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Stephanie donned a black eighties inspired bikini - complete with high-cut bottoms.

She wore her long raven locks loose with minimal makeup.

The pals enjoyed a mini photo shoot in the negative edge pool.

Stunners: She wore just a touch of makeup for her splash session with her close friend and Kim Kardashian's assistant Stephanie Sheppard

Brunette beauties: The Keeping Up With The Kardashians star styled her long tresses loose and center-parted; snapped with Stephanie

Having a blast: Kourtney, pictured last Sunday, complemented the revealing pool look with gold accessories; seen with Stephanie

Kourtney shared a picture from their pool day to her Instagram account on Tuesday, captioning it: 'Honeymoon.'

The stunner is mom to three children with her ex partner Scott Disick: Mason, seven; Penelope, four; and Reign, two. 

On Saturday, Kourtney and sister Khloe Kardashian enjoyed a grueling workout with their personal trainer.

Kourtney flashed her flat tummy in her fitted leggings and grey hoodie.

Wow: Kourtney shared a picture from their pool day to her Instagram account on Tuesday, captioning it: 'Honeymoon'

All the right moves: On Saturday, Kourtney and sister Khloe Kardashian enjoyed a grueling workout with their personal trainer

Hard work: Kourtney flashed her flat tummy in her fitted leggings and grey hoodie

During their training session on the basketball court, the sisters are seen working out with ropes, weights and doing lunges.

Khloe wore black and white Nike bottoms with a matching shirt and hat.

She also took to Snapchat to document their weekend workout.

Khloe even filmed Kourtney when she arrived, calling her 'late' for their fitness session. 

Focused: During their training session on the basketball court, the sisters are seen working with ropes, weights and doing lunges

So in shape: Khloe wore black and white Nike bottoms with a matching shirt and hat for the fitness session

Resting: Khloe even filmed Kourtney when she arrived, calling her 'late' for theirworkout

Tough: Kourtney and Khloe did crunches and also worked with ropes for their Saturday session

So sweet: Kourtney shared a sweet picture of her son Mason and daughter Penelope napping

 

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