Rihanna: Bad Girl , an unofficial biography by Michael Heatley, is one of the first in an exciting series of lush new books celebrating some of the most popular and influential celebrities - stars who are constantly talked about and whose every new release, life event or opinion is awaited with baited breath by legions of fans. In the Top Ten on YouTube, Facebook and Twitter, with millions of followers, Rihanna is adored by a huge online community...