You broke up with your boyfriend a year ago because he was cheating on you.

you were a famous singer and you were now singing in Canada, your home country.

As you were still in the middle of the stage standing and singing your new song infront of the crowd. You spot your Ex boyfriend standing in the crowds in a hoodie trying not to get spot by you while he continue watching you sing. As you sing, he realizes that the song was for him...

" ... "

(Clue: sing Vampire, if you knew.)