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And Penelope makes four!

Kourtney Kardashian introduces adorable daughter Penelope Scotland Disick -- with pages of exclusive photos -- in the new issue of Us Weekly, out now.

PHOTOS: Kourtney's pregnancy style

Born July 8 at Cedars-Sinai Medical Center in Los Angeles, and weighing 7 pounds, 14 ounces, Penelope joins big brother Mason, Kardashian's first child with Scott Disick, her boyfriend of six years. Gushes the ecstatic second-time mom (who shares her new Us Weekly cover with sleepy Penelope and a beaming Mason): "Nothing could prepare me for how hard I fell in love with her."

PHOTOS: Kourtney's pregnant bikini bod

In the new issue, the reality star, 33, and Disick, 29, open up to Us about Penelope's delivery (with the entire Kardashian-Jenner family in tow!), how Mason is adjusting to big-brotherhood, Kourtney's push present, why Disick's afraid to change Penelope's diaper and much more!

PHOTOS: Inside Kourtney's baby shower

Pick up the new Us Weekly for all the exclusive photos and details, on stands Friday!

This article originally appeared on Kourtney Kardashian Introduces Daughter Penelope Disick!


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