Kylie Jenner sure knows how to cause a frenzy!

With one simple word, the 18-year-old has ignited pregnancy talk after posting a photo of herself posing in a sheer dress and a jean jacket. The caption reads, "baby."

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baby

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Though the dress — if we can even call it that — is as tight as they come, that didn't stop fans from pointing out that the reality star subtly raised her jacket to reveal her stomach. Could she have a bun in the oven?

This is hardly the first time social media followers have thought Kylie was pregnant. Scroll through the gallery below for photos that had us questioning whether the beauty mogul had gotten herself knocked up!