Anne Hathaway has confirmed that Disney’s “The Princess Diaries 3” is still in development, but no official announcements have been made. Hathaway will reprise her role as Mia Thermopolis, while Julia Andrews’ return as Queen Clarisse Renaldi remains uncertain. The sequel is based on Meg Cabot’s novel and follows the story of Mia, an American teenager who discovers she is the heir to the throne of Genovia, a European kingdom.