"Princess Diaries" and its sequel, "Princess Diaries 2: Royal Engagement," were just three years apart and latter become just as much a success as the former. Many young girls grew up watching this film and were immediately excited about the prospect of the third one coming soon.

But do you really think you know the film well? Here are some facts about the film that is sure to surprise even the biggest fans.

When the filming of "Princess Diaries" began, it was like a family affair for Anne Hathaway. To make the actress connect with the sets better, most of the props and pieces used during the film actually belonged to the actresses' family. Mia Thermopolis, the character Anne plays in the movie, kept a photo of her deceased father in her room. That photograph actually belongs to Anne's father in real life, mention reports.

The author of the book, Meg Cabot, penned all these stories based on her real life experiences as a student when her mom dated a teacher, per Buzzfeed.

Before Anne Hathaway took on the role of Mia, she had to wear fake eyebrows and a wig so that she could pull of the princess makeover. She as also asked to put on some weight for the movie so that she can look like a regular teen. Anne also confessed to have gone out in public, dressed as Mia Thermopolis, an experience that made her feel vulnerable and alone.

There were other actresses that were considered to play the part of Mia before the part was given to Anne Hathaway. Some actresses that were considered and auditioned for the part included Reese Witherspoon and Kirsten Dunst. While Liv Tyler almost got the part but grand daughters of Garry Marshall, director of "Princess Diaries," convinced him to go with Anne because of her gorgeous princess like innocence and hair.