Scott Disick and Kourtney Kardashian Scott Disick and Kourtney Kardashian

Kourtney Kardashian and Scott Disick welcomed a baby boy Sunday — which is also the birthday of their son Mason, 5, People reports.

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This is the third child for the couple, who are also parents to 2-year-old Penelope Scotland.

Earlier on Sunday, Kardashian posted a Happy Birthday message to Mason via Instagram.

Kardashian revealed on Keeping Up with the Kardashians that she was expecting a boy, but the baby's name has not been released.

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