"I found this adorable birth announcement while helping my Grandma move and I thought it was the perfect way to share that William and I are expecting a baby boy," the mama-to-be -- who announced on New Year's Day that she would soon have a munchkin to call her own -- captioned the Instagram image above featuring the message, "It's a guy." And we're willing to bet Baby Tell won't be wearing combat boots to the beach...
Lauren's little man joins a bunch of fellas in the Hills family: Kristin Cavallari has sons Camden and Jaxon, Frankie Delgado has mini-me Francis, Holly Montag is mom to Isaiah and Speidi will soon welcome a
Spencer Pratt clone boy.
Offer baby boy name suggestions in the comments -- and be sure to stay with MTV News for any and all Lauren pregnancy updates!