Congratulations, Kourtney Kardashian! The 37-year-old is pregnant and expecting baby No. 4 with on-again, off-again love, Scott Disick!

In Touch can exclusively reveal that she's currently four weeks into her pregnancy.

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"Kourtney has always wanted four kids, but has been adamant about not wanting multiple baby daddies," the insider explains — adding her famous family was shocked by the news, but eventually came around to the idea.

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As for the party boy 33-year-old, the source says he's "been doting on her and the kids [Mason, 6, Penelope, 3, and Reign, 1] ever since they found out."

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"This baby may even get them back together!"

For more on this story, pick up the latest issue of In Touch, on newsstands now!

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