He has hit the headlines for all the wrong reasons recently, with late performances and altercations with photographers causing Justin Bieber a major PR headache. And now it seems there is yet more bad news for the teen superstar as one of his favourite looks, low slung trousers with visible underwear, has been voted the worst fashion trend of the century. Female fashion lovers named and shamed the trends they wished had never happened over the past 13 years, and they didn't hold back their criticisms when it came to fashion faux pas. Justin arriving back at his London Hotel...