On December 29, singer AI (35) updated her Instagram account announcing the birth of her second child. 

She wrote, "My baby was born without any problems. I am so thankful. It's a baby boy. Thank you! Thank you!! Thank you!!"

AI married Kaikigesshoku leader HIRO in January of 2014. They welcomed their first child, a daughter, in September of 2015. 

Congratulations!

Source & Image: Oricon