Kourtney Kardashian and Scott Disick

Kourtney Kardashian and Scott Disick have welcomed their second child.

Daughter Penelope Scotland Disick arrived Sunday at Cedars-Sinai Medical Center in Los Angeles via all-natural birth and weighed in at 7 pounds, 14 ounces, E! News reports. She joins big brother Mason, 2.

Kourtney Kardashian pregnant with baby No. 2

"Scott and I are overjoyed to welcome our precious angel Penelope Scotland Disick into our lives. We are forever blessed. Mommy and baby are resting comfortably," Kardashian told E! News.

Check out photos of Kourtney Kardashian

Added matriarch Kris Jenner: "It was a great. She had an easy delivery. [Penelope] is so cute. She looks just like Mason. She's so beautiful. We are so happy."

Kardashian, 33, and Disick, 29, have been dating on and off for five years.