The Princess Diaries (2001) is a heartwarming family comedy starring Anne Hathaway in her breakout role as Mia Thermopolis, an ordinary teenager who discovers she is the heir to the throne of a small European country. As Mia learns about her royal heritage, she must navigate the challenges of becoming a princess while staying true to herself. Directed by Garry Marshall, The Princess Diaries is a fun and uplifting story about transformation, self-discovery, and the power of embracing who you truly are.