Just one week after Michael Bublé and wife Luisana Lopilato announced that their 3-year-old son, Noah, has cancer, Bublé’s friend and mentor David Foster gave an update on how the singer is coping.I think Michael, right now, is in a huge bubble, as you would expect when this happens. Everything shuts down around you,” the composer told Entertainment Tonight Canada later adding that Bublé will not sing again until his child is well.I’m certain of it he saidMany fans have reached out to the singer through social media, and Foster said that a few have contacted him wishing to extend their well-wishes and resources to Bublé. Though the diagnosis is heartbreaking, Bublé is “in good shape.