"It's been a little while, huh?" Bublé teased.

"I wish my boy never had to go through all the things he had to go through. My wife, our family, our friends but… I want  other parents to know that there’s hope, even when there’s not," Michael Bublé said.

Luisana Lopilato spoke about her son’s health during a press conference in Argentina and thanked her fans for their love and support since Noah was diagnosed in November 2016.