Article continues below advertisementBritney Spears is calling out her enemies as she begins a new chapter in life.Nearly two years after her memoir The Woman in Me became a bestseller, the singer revealed she's writing two fiction novels and raved over how beneficial the process has been for her mental health - but she then went into an angry anecdote about those who have held her back in life.Article continues below advertisementBritney Spears Calls Writing a 'Life-Changing' ProcessSource: @britneyspears/instagramBritney Spears said she's writing two fiction novels.