The two reunited at a taping for an "Unseen Moments" episode as well as an upcoming "Ask the Moms Special" over the weekend, Us Weekly reports, and the two MTV stars snapped a few photos together during breaks.
"Loverrr," Houska captioned an Instagram snap showing Lowry cradling Houska's baby bump.
Houska also shared a GIF of Lowry running her hands over the expectant mom's stomach.
Houska and DeBoer announced that they were expecting a boy with an adorable Instagram post last week.
"It's aaaaaaa..... BOY! Can't wait to add a little man to our crazy crew!" Houska captioned the reveal.