Music Bieber Surprises Cody Simpson on Tour By Raphael Chestang 8:43 PM PDT, June 17, 2013 YouTube It was a welcome reunion of sorts when Justin Bieber surprised his former tour mate Cody Simpson by popping up on stage during a performance on Friday.RELATED: New Music ReleasesThe two pop stars just wrapped up a European tour, and fans went berserk when Bieber joined Simpson at Club Nokia for his Paradise Tour Los Angeles show."He's recording a lot of great songs; he's working hard in the dance studio," said Bieber. "Look out for his next album. It's going to be big."You can grab Cody Simpson's sophomore album, Surfers Paradise, on July 16.