Kourtney Kardashian Bathing Suit Lead

It looks like Kourtney Kardashian wears her heart on her stomach.

The oldest sibling of the Kardashian-Jenner clan was spotted showing off her love for Khloé Kardashian during her family getaway in Saint-Tropez today, where she paid homage to her sister by donning a custom "Khlo $$$$$" one-piece swimsuit from Private Party that highlighted her super fit physique. As for accessories, the mother of three styled the sexy black high-cut bathing suit with a pair of colorful mirrored sunnies and two gold Cartier bangles. But the best part? You can customize your own one-piece for $99 at

And it looks like the number was perfect for their fun day aboard a luxe yacht in France. The the 37-year-old was snapped screaming as she took a turn on a huge inflatable slide and later while jet skiing with her kids in the crystal clear water.

Kourtney Kardashian Bathing Suit Embed
Credit: AKM GSI

But that isn't the first figure-flaunting look that Kourtney has worn on her vacation. Over the past few days, she's shared several of her winning ensembles on Instagram.

See more celebrities rocking swimsuits in our gallery now.