Singer Michael Buble and actress-model Luisana Lopilato attend the 38th annual American Music Awards in Los Angeles in 2010. The duo, who were married in 2011, are expecting their first baby. (AP Photo/Chris Pizzello)

Photo by: Chris Pizzello

Singer Michael Buble and actress-model Luisana Lopilato attend the 38th annual American Music Awards in Los Angeles in 2010. The duo, who were married in 2011, are expecting their first baby. (AP Photo/Chris Pizzello)