updated 06/20/2012 AT 1:00 PM ET
•originally published 06/20/2012 AT 1:45 PM ET
Three words: One. Hot. Mama.
Pregnancy is clearly agreeing with Vanessa Lachey, who posted a photo of herself – highlighting her growing baby bump – in an infinity pool at sunset.
“Thanks for sharing all your Beautiful baby bumps & embracing your bodies!” Lachey, 31, Tweeted Tuesday. “As promised, here’s one @NickSLachey took.”
The couple’s first child is due in September.