It was only a matter of time.

Kim Kardashian, who's pregnant with her second child, recently posted a naked selfie to Instagram, which included a long message about rumors surrounding her baby bump and whether she's really using a surrogate or not.

"First they say I'm too skinny so I have to be faking it…Now they say I'm too big so I have to be faking it…SMH!" she wrote. "Some days I'm photographed before I eat & look smaller, some days I've just eaten & I look bigger. It's all a part of the process."

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Good night baby

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She continued, "I think you all know me well enough to know I would document the process if I got a surrogate. Everyone's body is different, every pregnancy is very different! I've learned to love my body at every stage!"

She added, "I'm going to get even bigger & that's beautiful too! I'm blessed to even be pregnant & even luckier to not have preeclampsia as far as I know, so I don't have the swelling issue this time! They also say your body carries a boy different than a girl!

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"Whatever the case may be I'm grateful to God for this miracle & no matter what rumors or comments you throw my way this time they truly don't affect me! #NoFilter #NoPhotoShop #GoodLighting," she ended the post.

Scroll through the gallery above to see more instances in which the 34-year-old showed off her famous booty!