Looks like North West is going to be a big sister!

The ever-expanding Kardashian family are set to add another member to their brood with the announcement that Kim Kardashian is pregnant with her second child.

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Kardashian broke the news during a teaser clip at the end of an episode of her hit reality show, Keeping Up with the Kardashians, on Sunday.

Kardashian and her husband, rapper Kanye West, are already parents to 23-month-old daughter North.

The E! network confirmed the news in a tweet congratulating the mother-to-be.

Congrats! @KimKardashian reveals she’s pregnant with baby number two: http://t.co/DweUvDdkh5 #KUWTK pic.twitter.com/0YfSwqRL86

— Kardashians on E! (@KUWTK) June 1, 2015