Kourtney Kardashian has given birth.

The 33-year-old star and her partner Scott Disick welcomed their second child, a girl they have named Penelope Scotland Disick, at Cedars-Sinai Medical Center yesterday, and she is now "resting" with her family.

"Scott and I look forward to welcoming you very much, our little angel Penelope Scotland Disick. We are blessed. Mommy and baby are resting comfortably," Kourtney said in a statement.

Her mother Kris Jenner has confirmed she had a natural birth and has revealed Penelope has a resemblance to her older brother Mason, two: "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."

Kim Kardashian also tweeted her joy at having a niece. "Welcome to the world Penelope Scotland Disick!!!! (sic)" she wrote.