The couple announced the arrival of their son Salem yesterday, September 25, on their respective Instagram accounts.
Kean greeted his son a happy birthday on his post, while Chynna welcomed her boy to this world on hers.
Chynna and Kean revealed that they were expecting their second child on April 21, an Easter Sunday.
It was also the day after their daughter Stellar turned three years old.
Weeks before Chynna gave birth to son Salem, the now mother of two got sentimental about her firstborn.
The GMA-7 actress posted a throwback to Stellar's baby picture, and wrote a letter to her.
As published, it read: "STELLAR!
"Ang aking good vibes na anak.
"Reminding me that everything is gonna be alright.
"Taken on her first day here on Earth 3 years ago! Allow Mom to be senti because Salem is arriving soon and all of a sudden its not just you, me and Dad.
"Thank you for showing us that you are ready to be an Ate and that you will are ready to protect your little brother. I am assured too that you guys will have a great dynamic.
"I mean come on!? Who choses a name like Nuknuk? Ikaw lang Stellar! Hahahaha! We love you."
Chynna and Kean got married in November 2017.