Anne Hathaway celebrates 20th anniversary of The Princess Diaries with ...

Anne Hathaway celebrates 20th anniversary of The Princess Diaries with ...
Anne Hathaway celebrates 20th anniversary of The Princess Diaries with ...

Anne Hathaway is celebrating her career launching film on its 20th anniversary. 

On Thursday the 38-year-old actress wished The Princess Diaries a 'Happy 20th Birthday' as she shared throwback snaps from set with notable cast members. 

Dubbing the royal coming of age tale 'the film that launched a thousand sleepovers,' Hathaway's post reflected nostalgia for playing Mia Thermopolis when she was just 18-years-old. 

Anniversary: 'Miracles happen… Happy 20th Birthday to #theprincessdiaries, AKA the film that launched a thousand sleep overs,' Anne Hathaway's caption read alongside a carousel of throwback snaps

Anniversary: 'Miracles happen… Happy 20th Birthday to #theprincessdiaries, AKA the film that launched a thousand sleep overs,' Anne Hathaway's caption read alongside a carousel of throwback snaps 

A carousel of behind the scenes snaps from set included shots alongside Julie Andrews, Mandy Moore, Heather Matarazzo, Sandra Oh and the late director Garry Marshall. 

'Miracles happen… Happy 20th Birthday to #theprincessdiaries, AKA the film that launched a thousand sleep overs,' her caption read. 

In the beloved film Hathaway plays Thermopolis — a quirky American high school student who discovers she has royal ties by way of her estranged grandmother, Queen Clarisse Renaldi (played by Andrews). 

Faced with a decision to claim her inherited title — the Princess of Genovia — the movie follows Mia grappling with a royal life and showcases her journey being groomed for high society. 

Royalty: Hathaway plays Mia Thermopolis — a quirky American high school student who discovers she has royal ties by way of her estranged grandmother the reigning queen of a European kingdom

Royalty: Hathaway plays Mia Thermopolis — a quirky American high school student who discovers she has royal ties by way of her estranged grandmother the reigning queen of a European kingdom 

Legendary: One snap featured her with the late Marshall who directed the film as well as Hathaway's favorite movie Pretty Woman

Legendary: One snap featured her with the late Marshall who directed the film as well as Hathaway's favorite movie Pretty Woman 

The movie was originally based on a 2000 book by Meg Cabot and the 2001 film went on to gross $165.3 million dollars at the box office. 

The success of the first installment launched a second film, The Princess Diaries 2: Royal Engagement in 2004, which showed the continuation of Mia's journey.

Speaking about the script in a 2019 PEOPLE interview, Hathaway called it 'electric.' 'Getting the script, it just had that feeling. I touched it, and it was electric.' 

And reflecting on working with Marshall, she was immediately on

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