After more than two decades since Mia Thermopolis first traded her San Francisco apartment for a Genovian throne, Disney’s beloved franchise is roaring back with The Princess Diaries 3. Anne Hathaway reprises her iconic role as Queen Mia, now facing adulthood’s biggest curveballs in what promises to be the most dramatic chapter yet.

The story picks up years after the events of Royal Engagement, where Mia embraced her destiny and found love. Now married and ruling Genovia, she’s pregnant—rumors swirl about twins—and juggling the joys and stresses of impending motherhood. But royal life is never simple. A shocking family secret emerges: Mia discovers she has a half-sister she never knew existed, the result of a past relationship involving her late father, Prince Philippe. This revelation throws the palace into turmoil, threatening succession lines and forcing Mia to confront custody issues and family loyalty in a high-stakes battle.

Adding to the whirlwind is the grand royal wedding on the horizon. As preparations unfold with all the pomp and circumstance Genovia demands, Mia must balance glowing pregnancy announcements, media frenzy, and the emotional weight of welcoming a new sibling into the fold. Expect the classic mix of heartfelt moments, clumsy mishaps, and Grandmère’s (Julie Andrews potentially returning) sharp-witted guidance as the family navigates scandal, love, and legacy.

Directed by Adele Lim (known for her fresh take on adventure and comedy), the film aims to honor the magic of the originals while updating Mia’s journey for grown-up audiences. Hathaway’s return brings warmth and nostalgia, with hints of familiar characters reappearing to support—or complicate—her path. The plot echoes elements from Meg Cabot’s book series continuation, particularly Royal Wedding, where pregnancy, hidden relatives, and wedding drama collide in true princess style.

Fans have waited patiently since the 2004 sequel, and the excitement is palpable. Social media is flooded with speculation about cameos, wedding details, and how Mia’s signature awkward charm translates to queenly responsibilities. Will the pregnancy bring new vulnerabilities? How will the secret sister change Genovia forever? And can the royal wedding survive the chaos?

With production momentum building toward a potential 2026 or 2027 release, The Princess Diaries 3 is set to deliver laughter, tears, and that irresistible fairy-tale glow. Miracles do happen—Genovia’s next chapter is here, and it’s more unpredictable than ever. Grab your tiara; Queen Mia’s reign just got a whole lot messier.