‘Bachelorette’ Star Desiree Hartsock Flaunts Her Adorable Baby Bump on Instagram!

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!