The Keeping Up With The Kardashians star has been keeping a relatively low profile since announcing that she's pregnant with her third child.
But yesterday, she uploaded a snap to Instagram showing herself in a bikini jumping into a pool with pals - and her baby bump was clear to see!
Kourtney announced her third pregnancy with long-time boyfriend Scott Disick on Keeping Up With The Kardashians. Fans of the show saw Kourtney revealing her baby news in a preview for the series' highlights.
Her mum Kris Jenner later told the Kyle & Jackie O Show: "Isn't that exciting? Who would have thunk it! There is so much excitement, just one thing after another. Just when I thought we would settle down for five minutes, little miss Kourtney gets pregnant and we couldn't be more excited!"
Kourtney and Scott are parents to son Mason, four, and daughter Penelope, one. Viewers watched Kourtney's pregnancies with both children on the show – and their births.
Yesterday, the reality star was pictured with sisters Kim and Khloe Kardashian in Los Angeles, dining at Toast restaurant while filming scenes for their reality show.
She was dressed in a vibrant purple playsuit and carried a beautiful multi-coloured handbag that she held across her stomach as she arrived.
While she was filming in LA, Scott was over in New York, filming scenes while celebrating his 31st birthday at a Southampton, New York nightclub.
The couple have been based in New York for the past month, working on E! spinoff series Kourtney & Khloe Take The Hamptons!
It follows the famous family as they launch a pop-up Dash boutique store in the Hamptons and revamp their existing New York fashion boutique.
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Celebrities who announced pregnancies in 2014 in pictures:
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