Four months after confirming they were expecting, Sharna Burgess and Brian Austin Green have welcomed their son into the world.

Green shared the news via Twitter by posting a photo of their son's small hand, writing,

"Zane Walker Green born 6/28 at 12:12."

Burgess shared the same photo with the caption,

"My heart is now forever outside of my body."

Green and Burgess first caught the public's eye in 2021 when they were spotted on vacation together. A month later, Green confirmed he and the "Dancing With the Stars" alumnus were dating, calling Burgess "super sweet and caring, passionate, and fun to be around."

The family's addition is Green's fifth child, as the "90210" star shares three children with his ex-wife, Megan Fox, and one with Vanessa Marcil. Zane is the pair's first child together, and Burgess' first ever.

To prepare for motherhood, Burgess released an emotional video three months ago detailing her pregnancy journey. She wrote a heartfelt caption to her father, who died just a month after learning she was expecting, sharing,

"Can a heart be broken and full at the same time about the same moment? Mine feels that way."

The video ended with a last message to her father,

"Seeing my Dad in videos I haven't watched since he passed was both beautiful and hard. There aren't words for how grateful I am that we got to share those moments before he left."

Burgess added that while nervous, she felt she was "meant for this."

"3 months to go until I step into the role of Parent. I have no idea what I'm doing but I'm surrounded by people that do. People I love and trust deeply. And, I trust my own instincts and nurturing nature."