Kourtney Kardashian's Sexy Bikini Is Just Strings Tied Together

When Kourtney Kardashian vacationed in Nayarit, Mexico, she took every opportunity to soak up the sun in her swimsuits. After sharing a snap of herself by the pool, Kourtney was pictured by an outdoor bar wearing yet another sexy bikini. This time around, we got a good look at the back of her white …