'KUWTK': Kylie Jenner worries about showing off post-baby body at Calvin Klein photo shoot (Exclusive)

Kylie Jenner gets some much-needed support from her sisters in the upcoming episode of "Keeping Up With the Kardashians."

Months after giving birth to daughter Stormi Webster, Kylie and her sisters took part in their second photo shoot for Calvin Klein, which saw the youngest of the Kardashian-Jenners wearing a matching sports bra and underwear set which showed off her post-baby body.

In an AOL exclusive clip from the upcoming episode, which you can watch at the top of the page, Khloe, Kendall and Kourtney encourage Kylie as she becomes anxious about her new physique at her first photo shoot since giving birth.

"Keeping Up With the Kardashians" airs on Sundays at 9 p.m. EST on E!

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