Alec Baldwin welcomes sonLos Angeles, June 18 (AZINS) Actor Alec Baldwin and his wife Hilaria Baldwin have welcomed their second child, Rafael Thomas Baldwin.

The actor's 31-year-old yoga instructor wife announced the birth of their son on Instagram, by posting an image of the baby's tiny hand on the photo-sharing website.

She captioned the photograph: "We are happy to announce the birth of Rafael Thomas Baldwin."

The birth comes 22 months after the couple, who tied the knot in 2012, welcomed their first child, a daughter named Carmen.

Hilaria documented her second pregnancy by posting images of her growing bump on the photo-sharing website and keeping fans updated on her progress.