'Winning X Factor was amazing. I didn't even think I'd get through the first audition, so I just couldn't believe it when I kept getting further and further. I really didn't expect to win.I just feel so incredibly lucky. Sometimes I still can't believe it's all happening to me.'Leona's life is a real-life fairytale. Three years ago she was an ordinary girl with an incredible voice, working as a daydreaming waitress and wondering if she would ever have a chance to sing.She then made the life-changing decision to audition for The X Factor and the show completely transformed her life.Leona has since become one of the biggest stars in the world, with record-breaking hits, countless awards under her belt and adored by her millions of fans.Now, she will tell her story for the first time and share what it's really like to go from a normal girl to a global superstar.