Kim Kardashian heats up spring break in a tiny bikini and body chains: ‘Cake Boss’

From black bikinis to black leather.

Kim Kardashian shared some memories from her family vacation to Turks and Caicos on Instagram Tuesday, with the “Kardashians” star posting photos from the beach in a black string bikini.

The Skims founder, 43, showed off her fit figure in a cheeky black two-piece in the photos, captioning the sunny snaps, “Cake Boss.”

6 PHOTOS

1. Kim Kardashian rocked a sizzling string bikini during her Turks and Caicos vacation.
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2. Kardashian showed off her booty in the skimpy suit.
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3. She pulled off a wet white shirt in one photo.
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4. The reality star struck a pose in the water.
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5. She wore two gold belly chains with her swimsuit.
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Kardashian gave fans a look at her booty in the first pic, posing in the turquoise water with her back to the camera.

The Skkn by Kim founder — who wore her hair down in a loose wet look — then stripped off a white tank top while standing in the sea, revealing her toned abs and two gold belly chains.

She lounged in the water in subsequent pics, striking multiple sultry poses on the tranquil beach while sporting a chunky cross necklace.

6. Kardashian splashed the crystal clear water on her face.
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7. She held the balled-up top in her hand as she gazed at the sea.
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8. Kardashian modeled a snakeskin-print bikini earlier on the trip.
Kim Kardashian/Instagram

9. The TV personality rocked a white bikini and Miu Miu skirt as she took in the sunset.
Instagram/kimkardashian

“OMG the thirsty caption is gold” sister Khloé Kardashian, 39, commented on the post.

“Cake looking good,” a fan wrote, while another added, “Damn ❤️ Kim is back