Justin Bieber is one of the most famous people in the world but he just wants to be known as Derek. However, there is no hiding for Justin Bieber when he makes a seemingly innocuous comment, the world soon finds out. So when he joked with a reporter that he was merely a celeb lookalike called Derek, all hell broke loose. Before long, Derek Bieber was one of the most popular trending topics on Twitter, where the singers fans the 'Beliebers are found in strength. And it gave his followers a chance to get one over on Twitter bosses, who last year changed the workings of the websites algorithm to stop Biebers name trending every day. Metro