Hailey's response was iconic.
He went off on the fan for encouraging trolls to tell Hailey his "previous relationship was better."
Two Canadian pop stars on one song? They power they have.
She cleared up some misconceptions about their relationship timeline.
Who knew the Hillsong Church could have so much drama?
Did Bieber fever turn into baby fever?
So much inspo, right this way.
Fans think Hailey and her friend Justine Skye shaded Selena in a workout video.
Try not to cry listening to his new song.
Wait until you hear what the hostess said about other celebs.