Toronto - Canadian crooner Michael Buble and his wife, Luisana Lopilato, are expecting their second baby.
Buble made the announcement Tuesday via a video posted to his social media accounts.
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The clip shows their nearly 2-year-old son, Noah, touching his mother's stomach while Buble, holding the camera, asks: "Who's that in there?"
Noah replies: "Baby."
Britney Spears's "Oops! ... I Did It Again" soundtracks the video.
Lopilato, 28, and Buble, 39, married in 2011.