kourtney kardashian 300 Kourtney Kardashian Is Pregnant

Kourtney Kardashian and Scott Disick

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And baby makes four: Kourtney Kardashian and longtime love Scott Disick are expecting their second child, a source tells PEOPLE.

Kardashian, 32, and Disick, 28, who have been together for four years – on a sometimes rocky road involving their relationship – will also soon be celebrating son Mason Dash Disick’s birthday. He turns 2 on Dec. 14.

As the Kourtney & Kim Take New York star told PEOPLE during her first pregnancy, “This baby was unexpected, but it’s 100 percent a blessing.”

Soon after Mason’s arrival, Kourtney’s younger sister, Khloé Kardashian, even remarked on what a change he brought to her sibling, Tweeting: “Wow my sister has changed. She used to whip her boobs out for no reason. Now she does it to feed her child.”

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