With more personality than most of the current crop of pop stars put together, Jessie J has become a more or less overnight internet sensation, hitting the BBC Sound of 2011 poll while the video for 'Do It Like A Dude' got over two million YouTube views in just a week. We capture her here talking candidly about her upbringing, her thoughts on performance and songwriting, and all that generally proves why she's potentially going to be huge.