Michael Buble
The singer praised the duo as "geniuses" and called on fans to buy them "some more booze" after their video featuring Haven’t Met You Yet took off on TikTok.
Ariana Grande, Miley Cyrus and Michael Bublé have all dared to cover Mariah's festive classic.
'My whole life ended'.
His young son Noah recently overcame liver cancer.
He is releasing a new album after two years away.
The singer's son, now five, was diagnosed with liver cancer in 2016.
'There are no words for how much love, affection, gratitude, that I have in my heart.'
The singer took time out of the limelight to be with his family.
'As a family we were always very united and we fought this together.'
He and his wife put their careers on hold following Noah's diagnosis.