Bieber's new single was produced by Skrillex
Track to appear on singer's forthcoming new album
Ceremony takes place in Los Angeles on Sunday (August 30)
Tobias Strebel spent nearly $100,000 (£63,000) on plastic surgery to look like the singer
Tobias Strebel (formerly Toby Sheldon) was last seen on August 18 in West Hollywood
The Canadian pop star blames "unforeseen issue" for pulling live show
The Hillsong Church conference runs from Monday (June 29) to Friday (July 3)
Scooter Braun says Dylan "pissed people off, but reinvented himself in a way that made him who he is today"
An incident occurred near his home in Ontario following a night out with Selena Gomez
The singer was due to team up with John Cena at last year's SummerSlam event