Kourtney Kardashian is enjoying her “sweet summer” by the pool. The 44-year-old reality star showed her best pose, proudly displaying her growing baby bump after revealing she will be welcoming a baby boy with her husband Travis Barker. The mother of 8-year-old Reign, 10-year-old Penelope, and 13-year-old Mason, shared a series of photos, including a mirror selfie wearing a green side tie bikini, another of her daughter Penelope playing in the pool, and another selfie wearing black sunglasses while suntanning.Kourtney announced the sex of their baby over the weekend, with the ‘Blink-182’ rockstar playing the drums before blue streamers launched into the air.