Kourtney Kardashian she loves her body, which, understandably, has changed after giving birth.

The mother-of-four hit back after a fan made a rude comment about her body under her tribute Kim Kardashian on Instagram for her 45th birthday. The photo showed the Kardashian sisters posing in bikinis.

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A post shared by Kim Kardashian (@kimkardashian)

However, according to TMZ, Kourtney proved the troll wrong. “I love this photo!”Kourtney Kardashian wrote.

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A post shared by Kourtney Kardashian Barker (@kourtneykardash)

“It’s me and my sisters having the best time on a trip with our kids…and the memories will last forever!. And I love this body, which gave me my 3 big babies and my little boy,” he added.

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A post shared by Kourtney Kardashian Barker (@kourtneykardash)

Kourtney Kardashian recently spoke about the pressure and stress women feel to get back into shape after giving birth.

“Your body is beautiful in all stages”she wrote alongside a snap of herself swimming in the sea.

“During pregnancy we shine and grow, after childbirth we shrink and this is a difficult period for our body, which needs its time to adapt. The pressure on us to accept the new and different is unfair”she added.

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A post shared by Kourtney Kardashian Barker (@kourtneykardash)