Michael Bublé and wife Luisana Lopilato's three-year-old son, Noah, has been diagnosed with cancer.

The couple announced the news on Lopilato's Facebook page with a statement informing fans of their son's treatment. "We are devastated by the recent cancer diagnosis of our eldest son Noah who is currently in treatment in the United States. We've always talked a lot about the importance of the family and the love we have for our children," Bublé and Lopilato wrote. "Luisana and I are going to spend all our time and attention to help Noah to get better, by suspending our professional activities for now."

Bublé called for fans' prayers for their son.