Category: Entertainment / Jan 26, 2013 5:26PM EDT

Michael Buble has something new to sing about .. becoming a father. An online video posted on YouTube by the crooner and Australian radio host's wife .. shows an ultrasound of the couple's unborn child to the tune of his hit song I Haven't Met You Yet. The 20-second video then switches to a cute picture of the mother and father-to-be kissing .. and ends up with the words "We're having a baby BUBLE!" The 37-year-old Canadian singer and his 25-year-old Argentine actress-wife Luisana Lopilato were married in 2011 .. after meeting in 2009 during a South American concert tour. A representative for Buble confirmed that the couple are expecting. Buble is a Grammy-winning pop singer who has sold millions of albums .. including Crazy Love and 2011's Christmas. Lopilato made her name as a model and in Argentine sitcoms and soap operas. Buble is the face of Smooth FM radio .. which launched in Sydney and Melbourne last May .. where he presents a weekend show