Just this January Michael Buble and his wife announced their pregnancy in a home-made video showing an ultrasound image of their baby, but the sex was undetermined until now. In an interview this week, Buble tells Page Six, "We are so excited. We have just come from the hospital, and the sonogram was pretty clear… we are thrilled." The 37 year-old Buble and 25 year-old wife, Argentine actress Luisiana Lopilato are in fact expecting a crooner! They're due to give birth to their first son in August.