The universe is giving you a sign 🎈 😅
Discussion
It’s definitely him, his wife is here too. Would be embarrassing if he is already here and reading this lol. Unlikely but still.
Please order him a buble.
Not embarrassing at all!
Look for the Michael Caine nod of acknowledgment. 
You can just explain that we love his music and these crazy nostr people keep zapping you to introduce him to a new approach to music and social via the nostr protocol! 🤗
It should be really easy to introduce yourself to Michael Buble... Just waltz up and say, "Pardon my intrusion, but I just haven't met you yet..."