Whitney Port modeled a black bikini top in Instagram snaps shared on Wednesday while she was vacationing with family in Montego Bay, Jamaica.The 37-year-old reality star had her svelte physique on display in a trio of photos posted for her roughly 1.5 million followers from Round Hill Hotel & Villas.'Last little nuggets and a special orb from [Jamaica flag] #hiupthere,' Whitney wrote in the caption as the first photo showed the sun shining through thick green trees. On vacation: Whitney Port modeled a black bikini top in Instagram snaps shared on Wednesday while she was vacationing with family in Montego Bay, JamaicaWhitney also wore loose tan drawstring shorts and accessorized with sunglasses and earrings.She had her dark brown hair parted down the middle and down around her shoulders The Hills star let her natural beauty shine without makeup.Whitney also shared a close-up of her bikini top that showed its spaghetti straps and sparkling center clasp.