"We are devastated about the recent cancer diagnosis of our oldest son Noah who is currently undergoing treatment in the US." Michael Bublé and wife Luisana posted to Facebook November 4, 2016. The post continued: "We have always ben very vocal about the importance of family and the love we have for our children. Luisana and I have put our careers on hold in order to devote all our time and attention to helping Noah get well. At this difficult time, we ask only for your praye