"I'm glad to know him. He's changed my life." - singer reveals

Justin Bieber credited a Pentecostal pastor with turning his life around as he joined thousands of Christians at a five-day church conference in Sydney, Australia.

Lentz has recruited several American celebrities and sports stars to the church, whose headquarters are in Sydney.

Perhaps Bieber's new found faith will keep him on the straight and narrow after a string of run-ins with the law.

Earlier this month, the Canadian singer pleaded guilty to crashing into a photographer's van while out with ex-girlfriend, Selena Gomez.