Kardashian reveals pregnancy

Kourtney Kardashian and Scott Disick. Picture: WireImage

Reality TV star Kourtney Kardashian is pregnant with her third child.

Kardashian is already mum to four-year-old son Mason and Penelope, 23 months.

She has confirmed that she is expecting baby number three with her partner Scott Disick.

The pregnancy was officially revealed in a video promo for Keeping Up With the Kardashians.

Fans of the show can watch 35-year-old Kardashian break the news to Disick during the second half of the series' ninth season.

In the clip, that aired in the US on Sunday, the couple are talking in their walk-in closet when Kardashian simply tells Disick," I'm pregnant."

It also shows the moment when Kourtney tells her mum Kris Jenner and sister Kim about her pregnancy.