<P> Released in North America on August 3, 2001, the film was a commercial success, grossing $165.3 million worldwide . The film was followed by a sequel, The Princess Diaries 2: Royal Engagement, released in August 2004 . </P> <P> Teenager Mia Thermopolis lives with her artist mother, Helen, and her cat, Fat Louie in a remodeled San Francisco firehouse . A somewhat awkward and unpopular girl, Mia has a fear of public speaking, and often wishes to be "invisible". She has a crush on Josh Bryant, but is frequently teased by both him and his cheerleader girlfriend, Lana Thomas . Mia's only friendships are in the form of the equally unpopular Lilly Moscovitz and Lilly's brother, Michael, who secretly has a crush on Mia . </P> <P> Just before her sixteenth birthday, Mia learns that her paternal grandmother, Clarisse, is visiting from Genovia, a small European kingdom . When Mia goes to meet her grandmother at a large house (later revealed to be the Genovian consulate), Clarisse reveals she is actually Queen Clarisse Renaldi, and that her son, Mia's late father, was Crown Prince of Genovia . Mia is stunned to learn she is a princess and heir to the Genovian throne . In shock, Mia runs home and angrily confronts her mother, who explains she had planned to tell Mia on her eighteenth birthday, but that her father's death has forced the matter . Queen Clarisse visits and explains that if Mia refuses the throne, Genovia will be without a ruler (a subplot involves a scheming baron and his unsightly baroness quietly rooting for Mia's downfall). Helen persuades a hesitant Mia to attend "princess lessons" with the Queen, telling her she does not have to make her decision until the upcoming Genovian Independence Day ball . </P> <P> Mia is given a glamorous makeover, the use of a limousine, and a bodyguard (the Queen's head of security, Joe). This and Mia's frequent absences from the lessons make Lilly suspicious and jealous, and she accuses Mia of trying to be like the popular girls . Mia breaks down and tells Lilly everything and swears her to secrecy . However, the San Francisco Chronicle learns that Mia is the Genovian Crown Princess after royal hairdresser Paolo breaks his confidentiality agreement (so his work would be known), causing a press frenzy, and a sudden surge in popularity at school for Mia . In a craven urge for fame, many of her classmates bluff that they are friends of the princess to reporters . </P>

What happened to mia's dad in princess diaries movie
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