However, now Noah is thankfully recovering well from his ordeal, Buble has confirmed he will be headlining the final night of the summer festival.
Referring to his hit single Haven't Met You Yet, he added: "You guys have been patient and I can't thank you enough for all your support". Commenting on the upcoming gig, he says "for those of you that haven't seen me live, well..."
"You're always top of the pile, Pat, but I couldn't confirm [that]", McKenna replied.
Buble pulled out of the Brit Awards this year, with Dermot O'Leary and Emma Willis stepping in for him.
Both Buble and his wife, Argentinian model and actress Luisana Lopilato, put their careers on hold to care for their son, saying they were devastated by the news.
Three-Carrier Show of Force Sails Off Korean Peninsula
Navy Carrier Strike Groups routinely deploy to the Western Pacific and the Indian Ocean", according to a Navy statement. It has repeatedly threatened to launch ballistic missiles into the waters around the US territory of Guam.
Michael Buble will headline the British Summer Time festival on July 13.
"The day I found out Noah had something in his stomach and the doctors didn't really know what it was and whether it might be a tumour, I got a flight to the States".
In February, the couple said Noah was "progressing well". "When things like those that happened to us occur, your take on life changes", she said.
Lopilato told reporters in April: My son's recovery is a long process and he has to continue with check-ups. We are looking forward to thinking about the future, to seeing our children grow.
His seventh studio album Nobody But Me debuted at No.2 and went platinum in January. It debuted at number two on the United Kingdom charts and was certified platinum by January 2017.