She recently revealed she had stopped doing catwalk shows because she was ‘on the verge of a mental breakdown’.

Kourtney Kardashian and her two-year-old nephew, Saint West on Sunday.

The television personality, 22, turned heads as she flaunted her enviably-toned ʙικιɴι-body in a skimpy lime green ʙικιɴι on the seaside jaunt, with her sisters also sporting tiny beach ensembles.

Kendall wasn’t afraid to flash the flesh in the barely-there ʙικιɴι as she strolled down the beach with a pal.

The model of the moment showcased her washboard abs in the triangle ʙικιɴι top, while the high-waisted thong bottoms ensured all eyes were on her lithe limbs and pert derriere.

Styling her raven tresses in a sleek straight look, the American star appeared to opt for a minimal make-up look to accentuate her natural beauty.

The catwalk queen shielded her eyes from the sun as she strolled along the sandy shores before cooling off in the waters.

Kendall appeared thoroughly relaxed on the beach jaunt, chatting away to a pal while her sisters Kim and Kourtney played with Kim’s two-year-old son Saint.

The American beauty was no doubt there to act as peace-maker to her two sisters, who have clashed on this season of their show, Keeping Up With The Kardashians.

Kourtney, 39, fell out with the television personality after Kim, 37, branded her the ‘least interesting’ to look at behind her back.

The argument happened about the pH๏τoshoot for their annual Christmas card, with Kim growing tired of adhering to her older sister’s schedule.

The verbal tussle ended with Kim insisting that the eldest Kardashian not participate in the pH๏τoshoot.

She vented: ‘No one wants you in the f*****g shoot, she yelled. ‘I’m planning it. I’m planning the shoot, so we don’t want you in the shoot.’

The KIMOJI founder added: ‘She’s the least exciting to look at, so she can be out. She doesn’t do s**t. She doesn’t know what it’s like to actually have f*****g work to do!’

The family beach outing comes a day after Kendall sent tongues wagging as she enjoyed dinner with Anwar Hadid and friends at Nobu restaurant.

The model pals have certainly bonded during the Labour Day weekend, as their plush meal came just a night after they were pictured at the Malibu Chili Cook Off alongside Anwar’s sister Bella on Saturday evening.

The pair have been friends for several years and sparked rumours their relationship was more than friendship when they were pictured kissing at a party in June.

And while Kendall and Anwar’s post-CDFA Fashion Awards kiss sparked hopes of a new model power couple, it’s not believed the pair ever pursued a relationship as the Keeping Up With The Kardashians star was pictured on the arm of Ben just days after their steamy cinch.

Though Ben was once again absent from Kendall’s Labour Day festivities on Sunday night, fuelling reports that the couple’s hectic schedules have taken a toll on their relationship.

‘Kendall and Ben’s relationship is fizzling and dissipating due to scheduling conflicts,’ a source told Us Weekly.

Despite claims their romance is stalling, Ben recently told The Daily Telegraph that his romance with Kendall is ‘going great’.

Speaking shortly after their sun-drenched trip to Mexico, the sports star dished: ‘The attention is something that you just get used to. I always find a time when I can relax and not have to worry about too much.

‘It is one of those things that I don’t like to talk about too much, because it is personal.’

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Overworked: Speaking about her time away from the catwalk, she recently said: ‘Last season I didn’t do any shows. Just ‘cause I was working in LA and I was like “Oof, I can’t right now – I’m gonna go crazy.” I was on the verge of a mental breakdown’