The 37-year-old 'Haven't Met You Yet' hitmaker and model Luisana Lopilato, who married in March 2011 after over two years together, were delighted to be told that they will be welcoming a son in August, New York Post.
"We are so excited. We have just come from the hospital, and the sonogram was pretty clear, it's a boy! We are thrilled," Buble said.
The couple are now thinking of a list of names for their impending new arrival, but Buble insists the baby won't be named after the new pope, Pope Francis I - who, like Luisana, hails from Argentina.