Kristin Cavallari wants you to know she's definitely not pregnant -- just in case you were wondering!

In tropical vacation snaps shared to Instagram over the weekend, the Hills alum shared stunning pictures of her getaway with husband Jay Cutler, including one where she is posing with her arm protectively over her belly.

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But the 30-year-old mother-of-three preemptively shut down any rumors about the possibility of baby number four.

"Not sure why it looks like I'm holding a pregnant belly…," she captioned the snap. "Wind was blowing and I was trying to hold down my romper."

The reality star's holiday snaps also included a bikini shot with a clear absence of a baby bump!

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In January, Cavallari defended her NFL quarterback husband from commenters on social media calling out his weight. Check out the "hot AF" photos she posted in response in the video below.