Kardashian sisters strip to promote new series

Los Angeles: Reality TV stars Kourtney and Kim Kardashian have stripped off to promote the latest series of their reality show.

The US TV star sisters have slipped into swimsuits for the new promo for "Kourtney and Kim Take Miami", reports thesun.co.uk.

The 36-second clip sees Kim taking a dip in a revealing black bikini, as elder sister Kourtney, 33, relaxes poolside in Florida.

And while Kim, 31, swims seductively underwater, a flash reads: "Every time they go to Miami, things heat up."