Kourtney, Kim, Khloe, Kendall and Kylie are the latest to front a Calvin Klein campaign.
In an image posted to Calvin Klein's Instagram page, it shows the five sisters laying side-by-side in the underwear.
All of the sisters have their bellies on show, apart from Kylie, leading people to speculate further about her rumoured pregnancy..
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They have us EXACTLY where they want us.. Watch the advert below..