This baby girl might come out a mermaid! For Vanessa Lachey, there’s just something about the beach. 98 Degrees star Nick Lachey announced his wife was pregnant with a baby girl in July 2014 by writing “It’s a girl” in the sand, and on Monday, Sept. 8 she posted a serene Instagram shot of herself surrounded by waves.

“Beach time with Baby Girl,” she captioned the sweet snap. In the picturesque image, Lachey, 33, sits on a rock in a printed blue bathing suit, which covers up her growing bump. 

In a Throwback Thursday picture, the former TRL host offered up more details on what the beach means to her. 

“#TBT The same beach I told my husband I was pregnant with our first born son was the same beach we took him to on his first vacation and it's the same beach we found out we we were having a baby girl on our 3rd wedding anniversary,” she wrote. “I can't wait to see what new memories we create on this beach! #OurFamilyTradition”

Though the proud mom is excited to welcome her second child into the world, she’s not quite ready to see son Camden, 23 months, grow up. 

“Oh gosh!!! Just ordered Cam's Big Boy bed from @LaylaGrayce!!! It's all happening too fast! Next up, school, sports, then girls... Ugh! Ha!” she tweeted on Aug. 28.