If you ever needed proof that Justin Bieber's 'bad boy' days are behind him, it's in his devotion to Hillsong Church.

The Canadian singer has rediscovered his faith in recent years and has become entwined in the Australian-founded Christian musical worship group.

Last year, he expressed his desire to link up with Kanye West's Sunday Service events and perform at one of them - and yesterday, it happened.

Bieber sang the song 'Never Would Have Made It' by American gospel singer Marvin Sapp at the Los Angeles gathering.

He shared footage from the service on Instagram.

https://www.instagram.com/p/B87B6OfHKis/

There are also snippets of Bieber giving a speech about 'my intention is to use my gift to serve people.... Jesus came here to serve people, and that's what everybody in this room is here to do.'

West is visible in the first video below: