The award-winning singer and his gorgeous wife, Argentinian actress Luisana Lopilato welcomes their second bundle of joy as they announced through social media their excitement in welcoming their second baby boy, Elias.

A sweet snap was shared by Buble on Twitter, introducing their second baby boy adorably sleeping in his mother’s arms with a caption that says:

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“And then there were 4. Introducing Noah’s little brother Elias Buble,” they both wrote on Twitter and Instagram with the hashtags “#family #blessed #brothers.”

The proud mother also shared the same photo on her Instagram account.

Entertainment Tonight reports, Buble, 40, and Lopilato, 28, are already parents to 2-year-old Noah, and judging by the couple's adorable photos of him on social media, we have no doubt he'll happily fulfill his big brother duties. Prior to Elias' birth, the couple has been doing some updates on Lopilato's pregnancy with their fans, including a snapshot of the baby's first sonogram and the actress' growing baby bump, ET wrote.

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Congratulations to the lovely couple!