Brian Austin Green / instagram Brian Austin Green and Sharna Burgess celebrate the birth of their son! The Beverly Hills star, 90210, 48, and his professional dancing girlfriend welcomed their first baby together, Zane Walker Green. Baby Zane was born on Tuesday, June 28 at 12:12, Green announced on Instagram. He shared a sweet black and white photo of the newborn wrapped in a blanket and held by his index finger. “Zane Walker Green was born on 28/6 at 12:12 ❤️❤️”, he wrote in the caption of the emotional moment. Burgess shared the same photo and caption on her Instagram, but the new mom added to the caption: “My heart is forever out of my body.” Sharna Burgess and Brian Austin Green Rodin Eckenroth / Getty RELATED: View all photos from Sharna Burgess and Brian Austin Green Baby Shower with family and friends Green is the father of Journey River, 5, Bodhi Ransom, 8, and Noah Shannon, 9, with ex-Megan Fox, and 20-year-old Kassius with Vanessa Marcil. Earlier this month, the actor told PEOPLE that his children are “over-excited” to welcome a new addition to the family. “They check Sharna every day and rub her belly and talk to the baby. They count the days back!” Green communal. “[The baby] he definitely enters a super warm household and family and will be surrounded by a lot of love. It is exciting.” RELATED: Sharna Burgess shares special moments from her pregnancy so far at Sweet Reel Burgess shared with PEOPLE that she admires Green as a father and looks forward to seeing how she bonds with their son. Never miss a story – subscribe to PEOPLE’s free daily newsletter to stay up to date with the best PEOPLE has to offer, from juicy celebrity news to exciting stories of human interest. “This is the easiest thing I have ever done is to be with Bri and be in this family with his children,” he told PEOPLE. “We may have only spent a few years together, but it is much more than that. It was very easy for us to take on what the universe has given us.”