The Princess Diaries

Fifteen-year-old Mia discovers that her father is the Prince of Genovia and she is the sole heir to the throne. She must decide, by her sixteenth birthday, whether she will live as a princess and move to Genovia or remain in San Francisco where she lives with her artist mom. Meanwhile, she must suffer through the indignity of princess lessons at the hands of her stern grandmother, Queen Clarisse Renaldi. (official distributor synopsis)