Legendary gold-medalist Michael Phelps announced that he and his wife, Nicole, have welcomed their second baby boy.

Michael posted a sweet photo on his Instagram of his growing family. He captioned it:

“Magical moments yesterday… Nicole and I would like to introduce Beckett Richard Phelps to the world! We had a healthy baby boy and a healthy mama. I truly do feel like the happiest man in the world. Being able to build our family to now 4 (6 with doggies) is so incredible!#familyof4now

https://www.instagram.com/p/BfJ_PXNHL0F/?hl=en&taken-by=m_phelps00

According to the Blast, Michael and Nicole got married in secret in 2016. They had their first son, Boomer, the same year.

Congratulations to the Phelps’ on their healthy baby boy!