"The Princess Diaries" star Anne Hathaway celebrated the movie's 16th anniversary last week.

The 34-year-old actress shared a clip of her character, Mia Thermopolis, from the 2001 movie Thursday following rumors of a third sequel.

"Happy Birthday Princess (Thanks Garry) #sweetsixteen #mia4evah," she captioned the video, paying tribute to the movie's late director, Garry Marshall.

Hathaway played Mia in "The Princess Diaries" and its 2004 sequel, "The Princess Diaries 2: Royal Engagement."

Julie Andrews, who portrayed Mia's grandmother Clarisse, discussed the possibility of a third film in February.

"There's talk about it," the 81-year-old actress told Buzzfeed. "And [Anne's] very keen to do it. I would very willingly and happily do it."

"I think we might do it in honor of [Garry]," she added. "Annie had an idea that she wanted to pursue about it, and I'm all for it, so if she'd like to... [I'm] not sure what the status is right now."

"The Princess Diaries" is based on the Meg Cabot novel of the same name. Cabot confirmed interest in a third film in an interview with Entertainment Weekly in June, but declined to share details.

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"I am not allowed to say," she said of the potential plot. "I would love to sit and talk about [it], but I can't. I'm not allowed. But it's really more following the movie than the books."

Hathaway will star in a number of upcoming movies, including "Ocean's Eight" with Sandra Bullock and "Nasty Women" with Rebel Wilson.