Kourtney Kardashian and Scott Disick are also parents to son Mason

Kim Kardashian's sister Kourtney has given birth to her second child.

The reality star, 33, and partner Scott Disick welcomed baby Penelope Scotland into the world yesterday at LA's Cedars-Sinai Medical Center.

The little one weighed a healthy 7lb 14oz. 

'Scott and I are overjoyed to welcome our precious angel Penelope Scotland Disick into our lives,' says Kourtney. 'We are forever blessed. Mommy and baby are resting comfortably.'

Penelope's grandmother Kris Jenner has revealed that Kourtney had a natural birth

'It was great. She had an easy delivery,' she tells E! Online. '[Penelope] is so cute. She looks just like Mason. She's so beautiful. We are so happy.'

Kourtney and Scott, 29, are already parents to son Mason, 2.

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