The "Saved!" star and her husband, Kyle Martino, shared the baby news by posting a heartwarming video on Eva's blog on Sunday night, September 08.
The footage ended with the actress revealing her baby bump as Kyle cradled her stomach.
"Baby Martino Coming Spring 2020," the pair captioned the video.
Eva and Kyle are already parents to five-year-old daughter Marlowe Mae and son Major James, two.
"Our family is ecstatic to share this 'collab' that has been brewing now for several months...!" Eva also wrote alongside the video. "As always, thank you so much for your ongoing support for our family, it really does mean the world."