Kourtney Kardashian showcases her sunkissed body in retro-style bikini as she hosts poolside bash for her lifestyle site Poosh

Kourtney Kardashian soaked up the sun in two different yellow swimsuits while celebrating her trending lifestyle blog Poosh alongside pals on Saturday.

The reality star posted multiple photos of a poolside bash that featured hors d'oeuvres, a ping pong table and a beach cruiser. 

Kourtney, 40, sported an Onia one-piece number  that featured a lace-up front as well as a bikini that included an underwire top. 

Sunkissed: Kourtney Kardashian soaked up the sun in two different yellow swimsuits by Onia while celebrating her trending lifestyle blog Poosh alongside pals on Saturday

Sunkissed: Kourtney Kardashian soaked up the sun in two different yellow swimsuits by Onia while celebrating her trending lifestyle blog Poosh alongside pals on Saturday

Go bright like Kourtney in a bikini by Onia

Kourtney Kardashian has been living it up in the sunshine this summer and she's been serving up some killer swimwear inspo in the process.

From a gorgeous floral Zimmermann set to a chic leopard two-piece from The Upside, Kourtney has tried all of our favourite summer trends.

And this lovely lemon bikini from Onia was the cherry on top! With flattering high waist briefs and an on-trend balcony bra neckline, Kourtney's bikini is a winner in our eyes.

We love that sunny colourway - it looks great with a tan and adds instant feel good vibes to any ensemble.

If, like us here at Fashion Finder, you've been inspired to try out some yellow costumes on your next getaway, then head to the edit below. We've rounded up our favourite lookalike styles for you to shop.

Alternatively, steal Kourtney's exact look by clicking the link to your right to shop the top and then heading to the carousel below to bag the bottoms!

* PRICES MAY NOT BE AS ADVERTISED

She was joined by some gorgeous company including Lauren Gores, founder of skincare brand Summer Fridays. 

The Poosh founder's rendezvous comes a day after E! released a sneak peek in which her sister Kim Kardashian, 38, called her a 'fake humanitarian h**' during a heated argument. 

It all began after Kim accused Kourtney of stealing her style during a previous spat.

Summer fun: Kourtney, 40, sported a one-piece number that featured a lace-up front as well as a bikini that included an underwire top

Summer fun: Kourtney, 40, sported a one-piece number that featured a lace-up front as well as a bikini that included an underwire top

Chic: She was joined by some gorgeous company including Lauren Gores, founder of skincare brand Summer Fridays

Chic: She was joined by some gorgeous company including Lauren Gores, founder of skincare brand Summer Fridays

Kourtney was seen sitting in the car on her way to an event honoring her late father Robert Kardashian when she rehashed the argument to her friend Sarah Howard. 

'Kim and I just got into the biggest fight. She was just going so crazy. She’s sending me the meanest text messages, you would die,' she said.

'She’s like, "You’re the biggest ungrateful b**ch." So, then I said, "God! You’re such a petty woman."'

It wasn't long before Khloe Kardashian entered the car and expressed her annoyance with the fact that the fight is still happening. 

'Oh, we’re still fighting? Oh good!' she said sarcastically. 

Heated: Kourtney was seen sitting in the car on her way to an event honoring her late father Robert Kardashian when she rehashed the argument to her friend Sarah Howard

Heated: Kourtney was seen sitting in the car on her way to an event honoring her late father Robert Kardashian when she rehashed the argument to her friend Sarah Howard

The camera then cuts to Kim, who was seen telling her side of the story to mom Kris Jenner.

'Basically, I got into the biggest fight with Kourtney today because she just is such a b****. Like, on another level,' she said.

'So, I called Kourtney and Kourtney, like, screamed at me on the phone.' 

Kris replied: 'Screamed at you?' 

Clapping back: The camera then cuts to Kim, who was seen telling her side of the story to mom Kris Jenner

Clapping back: The camera then cuts to Kim, who was seen telling her side of the story to mom Kris Jenner

Next, the camera cut back to Kourtney, who began to discredit Kim's ongoing law school studies.

'I said, "You’re going to school to become a lawyer and help the world and these are the kinds of problems you have?"' she said. 

'And she’s like, "You’re really a miserable human being and you keep not understanding the issue because you, all of a sudden, turn into such a humanitarian and talk about the world’s issues - which you’ve not contributed one ounce to the world."'

Tension: Next, the camera cut back to Kourtney, who began to discredit Kim's ongoing law school studies

Tension: Next, the camera cut back to Kourtney, who began to discredit Kim's ongoing law school studies

Enter Kim again, who referenced one of Kourtney's famous lines from a 2011 episode of Keeping Up With the Kardashians in her response.

'You f***in’ fake humanitarian hoe. I actually do s*** for the world and you f***ing fake it all day long.' 

'And act like, "Oh! There’s people dying, Kim." And what the f**k are you doing about it? So, shut the f–k up.' 

Keeping Up With the Kardashians appears on E! Sundays at 9 p.m. ET.     

Kourtney Kardashian showcases her sunkissed body in retro-style bikini

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