Kourtney Kardashian raised the temperature while on Instagram. Kourtney Kardashian rocked a Plunging white Olivier Theyskens crop top that showed off her eye popping cleavage. The plunging neck white crop top comes with thin shoulder strap, cut out and a V-neck. She paired it with White sleek matching Olivier Theyskens midi skirt. She finished her look with strappy black crisscross tie sandals by Manolo Blahnik.