Kourtney Kardashian stretches out for poolside bikini 'the picture' showing off her slender mid-section

Ow ow: Kourtney Kardashian, 40, shared a steamy bikini picture of herself on Instagram Thursday

The reality star laid back on the edge of a stunning pool filled with glistening water.

She wore a light lavender colored bikini with sparkle gemstones encrusted on the front of both the top and high cut bottoms.