Princess Diaries 3 is officially underway at Disney - but Anne Hathaway hasn't signed on yet

'The Princess Diaries 3' In the Works at Disney, Anne Hathaway Expected to Return

Anne Hathaway Turns 40: Her 12 Best Performances, From ‘The Princess Diaries’ to ‘The Devil Wears Prada’

Anne Hathaway Through the Years: From ‘Princess Diaries’ to Today