Desiree Hartsock sure knows how to dress her baby bump!

The Bachelorette alum, who's expecting her first child with hubby Chris Siegfried, showed off her growing belly in a tropical print top while sporting matching pink lipstick.

The brunette beauty discovered she was pregnant on Valentine's Day while vacationing in Maui for her one-year wedding anniversary.

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"I kinda knew, like, ‘You know something, I think I’m pregnant,'" the 30-year-old revealed. "That’s when we took a test and found out!"

Scroll through the gallery below for more baby updates from all your favorite Bachelor contestants!