The GMA-7 actress gave birth to Axl Romeo on December 9, 2019, at 5:35 a.m.
On Instagram earlier today, December 10, the now mother of two announced the arrival of her newborn son.
Her caption read: "December 9, 5:35 am. Axl Romeo Abrenica came into our lives. He is loved, he is cherished and he has one strong suck just like his Kuya."
Kylie and Aljur's firstborn, Alas Joaquin, is two years old.
Alas Joaquin was born on August 4, 2016.
Early this year, PEP.ph (Philippine Entertainment Portal) broke the news about Kylie's second pregnancy.
On a YouTube vlog taken during Alas's second birthday, the celebrity mom confirmed the news and revealed the family was expecting another boy.
Kylie and Aljur got married on December 11, 2018.