Kourtney looked incredible in the sexy two-piece which was branded with Fendi’s famous logo and showed off her seriously perky bottom with its thong fit.
She added to the glamour by tying her dark locks into a sleek bun and sported a pair of the Kardashians’ trademark slim shades.
Despite splitting from ex Scott, the pair proved their relationship is still amicable has they hung out on the beach with their three children; Mason, eight, Penelope, six, and Reign, three.
The family were in Bali filming new episodes of their hit reality series Keeping Up With The Kardashians.