Michael Buble welcomes son

Canadian singer Michael Buble has welcomed his second child with wife Luisana Lopilato, who is a model.

The couple were blessed with a boy on Friday, reports aceshowbiz.com.

Buble made the announcement via Instagram, writing, "And then there were 4. Introducing Noah's little brother Elias Buble #family #blessed #brothers."

He included a photograph of the newborn sleeping in the arms of his mother.

Lopilato also posted the same image on her Instagram account a day after she shared a photograph of her baby bump and wrote, "What do you think? Baby is coming..."

The couple, who got married in March 2011, had their first child Noah in 2014.