Mariel shared the big news on noontime program It's Showtime, revealing that she's three months pregnant with their second baby.
"Today, I am so happy to share with all of you isang espesyal na balita na nalaman namin ng asawa ko a few months ago. Si Isabella ay magiging ate na. I am three months pregnant with Baby Number Two," said Mariel.
Mariel also took to Instagram to announce her pregnancy, sharing how it's the "perfect Mother's Day gift."
It feels like just yesterday when Mariel and Robin celebrated Isabella's Disney-themed second birthday party in November 2018, and now, there's another baby on the way!
Congrats, Mariel, Robin and Isabella!