Jennylyn Mercado’s son Alex Jazz is now 13 years old!

Jennylyn Mercado’s son Alex Jazz is now a teen!

To mark the occasion, the Kapuso star shared photos with her now 13-year-old son and a solo shot.

“Happy Birthday, Jazz!” she wrote in the caption with three red hearts.

As of writing, Jennylyn’s post has garnered 24,000 reactions and 1,500  greetings from netizens.

In July, many celebrities fawned over Jazz, expressing their surprise at how much and how fast he has grown.

Previously, he also took social media by storm, winning the hearts of netizens online with his looks.

Jazz is Jennylyn's child with her former partner Patrick Garcia.

Happy birthday, Jazz! — Franchesca Viernes/LA, GMA News