Even though she's expecting, Kristin Cavallari's still a bikini babe!  

The former "Hills" star and her husband Jay Cutler took their adorable son Camden to the beach on Thursday.

The 27-year-old posted the candid family photo via Instagram of her and Jay holding hands with their little guy.  

"Been having a beautiful, relaxing family va-cay. Thanks @mikoh_ for the perfect preggers bathing suit," she posted along with the sweet snap. 

We gotta say, Cavallari looks amazing -- you can't even tell she's pregnant in the new pic! The family looks really happy, too. 

Can you believe how big Camden is getting? He's gotta be excited to have a sibling soon.

While the blond beauty's vacationing now, she'll have a busy weekend. Kristin's slated to host the Oscars countdown on E! and is the newest member of the network's "The Fabulist" series. The show premieres on March 17. 

What do you think about Kristin's latest family photo? Tell toofab in the comment section below, and click "Launch Gallery" above to see even more cute celebrity kids!

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