Kourtney Kardashian shared steamy throwback photos of her bikini body. Kardashian, 46, hopped on the 2016 bandwagon and showed off her steamy swimsuit style. In a post she shared via Instagram on Monday, January 19, Kardashian reminisced on the good old days while rocking a number of bikinis. In one shot, she showed off her bum in thong bottoms. She teamed the itty-bitty piece with a matching triangle top finished with cage straps. Kardashian laid on a floatie while taking a dip in a pool. She pushed her brunette strands back and accessorized with black shades.