68: Leona Lewis – Powerful Women of 2013
After winning the third season of the U.K.'s 'The X Factor,' Leona Lewis shot to stardom with her 2007 debut album, 'Spirit.' Known for her affinity for ballads from iconic singers like Whitney Houston, 'Bleeding Love,' the second single, blew up and topped charts all over the world -- making it one of the best selling singles of 2008...