The Princess Diaries is a comedy-drama film and the screen adaptation of Meg Cabot's 2000 novel of the same name. The film stars Anne Hathaway as Mia Thermopolis, a teenager who discovers that she is the heir to the throne of the fictional Genovia, ruled by her grandmother, Queen Clarisse Renaldi, who is portrayed by Julie Andrews. It also stars Heather Matarazzo as Mia's best friend Lilly Moscovitz, Hector Elizondo as Renaldi's head of security, and Robert Schwartzman as Lilly's brother, who has a crush on Mia.

It was released to North American theatres on August 3 2001 and peaked at number three on the box office chart. The Princess Diaries produced ticket sales well over its production budget.

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. While Mia makes up her mind, she's pressed into taking princess lessons from her grandmother. Written by Anonymous

Mia, (Anne Hathaway) an awkward San Francisco teenager, has just learned her deceased father was the crown prince of Genovia. To keep the royal reigns from passing to another family due to a broken bloodline, the queen (Julie Andrews) seeks the favor of her estranged granddaughter in hopes that she will take her father's place as the crown princess. While Mia contemplates her future, her grandmother insists on turning her from a social misfit to a lady fit for the throne. What these two discover about each other is that blood is more important than bloodlines. Written by Robin