Kourtney Kardashian welcomes her third child

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Reality stars Kourtney Kardashian and Scott Disick are the proud parents of a third baby.

E! News confirmed the birth of a baby boy on Sunday.

The new baby’s birthday is the same as big brother Mason, who turned five, E! News reported.

Kardashian and Disick also have a daughter, Penelope, 2.

Sunday’s episode of “Kourtney & Khloe Take the Hamptons” featured the gender reveal — but mother nature beat them to it.

So far, the couple has not announced the new baby’s name.