<\/abbr><\/p>\n \n \t\t\t\t\t\t \nKardashian, 32, and Disick, 28, who have been together for four years \u00e2\u20ac\u201c on a sometimes rocky road involving their relationship \u00e2\u20ac\u201c will also soon be celebrating son Mason Dash Disick’s birthday. He turns 2 on Dec. 14.<\/p>\n As the Kourtney & Kim Take New York<\/em> star told PEOPLE during her first pregnancy, “This baby was unexpected, but it’s 100 percent a blessing.”<\/p>\n Soon after Mason’s arrival, Kourtney’s younger sister, Khlo\u00c3\u00a9 Kardashian, even remarked on what a change he brought to her sibling, Tweeting<\/a>: “Wow my sister has changed. She used to whip her boobs out for no reason. Now she does it to feed her child.”<\/p>\n <\/p>\nAnd baby makes four: Kourtney Kardashian and longtime love Scott Disick are expecting their second child, a source tells PEOPLE.<\/p>\n