After being put on the spot and asked, "Does Matthew know he plays a special part in your life?" Bublé just came out and revealed quite the secret — much to the chagrin of McCo ...

"Well, I mean… my wife and I sleep ... app called Calm, and I have insomnia, and he has the most beautiful voice, and I turn it on, and I just hear, 'Well hello, everybody, it's me, Matthew ...