He's the pop star who hit the music scene when he was just 12 years old.
Since then, he has been through plenty of ups and downs, but right now, things are on the up - and not just because he's now met Heather.
The singer's last hit went to number one in 70 countries, he has an album out in November and it is expected to be huge.
So what did he have to say in his first big television interview in New Zealand?
Watch the video for the full Story report.