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We're having a baby Buble, reveals crooner

Michael Buble has something new to sing about: becoming a father.

In an online video posted by the YouTube account of Buble's wife, Luisana Lopilato, a sonogram with the words "Mini Buble!!!" is shown. The 20-second video ends with words: "We're having a baby Buble!!!!"

The 37-year-old Canadian singer and his 25-year-old Argentine actress wife were married in 2011.

The couple met 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.

The famous heart-throb, who was on the Saturday Night Show recently, has just announced that he'll perform a massive five nights in the O2 Dublin next year.