The Princess Diaries (2001)

The Princess Diaries
Comedy, Family, Romance
A socially awkward but very bright 15-year-old girl being raised by a single mom discovers that she is the princess of a small European country because of the recent death of her long-absent father, who, unknown to her, was the crown prince of Genovia. She must make a choice between continuing the life of a San Francisco teen or stepping up to the throne.
Starring
Anne Hathaway, Julie Andrews, Heather Matarazzo, Caroline Goodall, Héctor Elizondo, Robert Schwartzman, Erik von Detten, Patrick John Flueger, Sandra Oh, Mandy Moore
Directed By
Garry Marshall