Prinsjesdag, or "Prince's Day," falls every third Tuesday in September and formally opens the new parliamentary year. The day follows a fixed script: the royal procession travels from Noordeinde Palace to the Koninklijke Schouwburg, where King Willem-Alexander delivers the Speech from the Throne. This year's ceremony is once again being held at the Royal Theater rather than the Binnenhof, which remains under renovation. Willem-Alexander, Queen Máxima, and their three daughters, Princesses Amalia, Alexia, and Ariane, all took part.
But Prinsjesdag has long doubled as one of the Dutch royal family's marquee fashion moments. This year it was the youngest princess who stole it.
© Getty ImagesAriane opens her mother's closet
Princess Ariane showed up in a dress that isn't technically hers. It belongs to Máxima's own archive, first worn by the queen at this very event in 2019.
The dress is a Jan Taminiau design in a deep burgundy, body-skimming and relatively simple in its lines, with a caped overlay across the shoulders doing most of the visual work. That same burgundy runs through the beaded appliqués decorating the cape, giving the piece exactly the formal weight a day like Prinsjesdag calls for. When Máxima debuted the look in 2019, she paired it with patent stilettos, a matching clutch, short vinyl gloves, and diamond jewelry that included a brooch and bracelet from the Mellerio parure.
That original look had one more signature element: a Philip Treacy hat. Treacy, one of British millinery's most recognizable names, is a fixture in royal wardrobes across Europe, and Máxima's 2019 design drew comparisons at the time to a hat Meghan Markle wore during her first Christmas at Sandringham as a royal. Kate Middleton, Camilla, Zara Tindall, and Princesses Beatrice and Eugenie have all turned to Treacy's designs over the years.
Ariane didn't recreate that image wholesale. She kept the dress and the gloves but swapped the headwear entirely, trading her mother's hat for a lighter tiara in the same burgundy palette. She rounded out the look with gold earrings and a bracelet, plus a beaded burgundy clutch.
© WireImageAmalia charts her own course
Crown Princess Amalia took a different approach. Her floor-length Rachel Gilbert gown, in a flattering shade of green, kept the polish that's become a signature of her formal dressing while working in a few details that pulled the overall look younger.
The dress features a lightweight, well-draped cape and an asymmetric construction that adds movement to the silhouette. A gold brooch at the waist breaks up the line of the dress and ties into the rest of her accessories: statement gold earrings, a patent handbag, and classic pointed-toe pumps.
The real story, though, was the headpiece. Amalia skipped the hat this year in favor of a satin-finished tiara in a gold tone edged toward ochre, and wore her hair down, a simple choice that shifted the entire read of the outfit away from anything overly formal.
Alexia takes the biggest swing
© Getty ImagesOf the three sisters, Alexia seems most at ease pushing the envelope, and this year's look was no exception. Her long, fluid Reiss gown came in a petroleum green, darker and more intense than Amalia's shade, with undertones that played nicely against the burgundy accents she carried elsewhere.
The dress bares the shoulders and adds a shawl-like drape at the back that falls away from the body, giving the silhouette real movement. That fluidity kept the overall look from tipping into anything stiff, in keeping with the more relaxed sensibility Alexia typically brings to formal dressing.
The real statement, though, was on her head. Rather than reach for a tiara or headband, the accessories nearly every royal woman defaults to for an occasion like this, Alexia chose a burgundy fedora-style hat by Maison Michel, pulled from her mother's personal collection. It's a considerably bolder choice, and an unusual one for Prinsjesdag specifically, because it breaks so clearly from the traditional language of royal millinery.
Three princesses, a new generation
© ANP/AFP via Getty ImagesTogether, the looks worn by Amalia, Alexia, and Ariane say a lot about where the younger Oranges are headed. Máxima remains the family's reigning style authority on a gala occasion like this one, but her daughters no longer seem to need her formula. Ariane can pull a dress straight from her mother's closet and make it new again with a tiara. Amalia can soften a caped silhouette by wearing her hair loose. Alexia can turn an unexpected hat into the entire point of her outfit.
That's what makes this particular Prinsjesdag worth watching. Willem-Alexander carried out the ritual that opens Parliament's year as he does every September, and the royal procession moved through The Hague as it always has. But his three daughters offered their own version of continuity: princesses preparing to step into the roles waiting for them within the House of Orange, and, at the same time, young women who've found in fashion an increasingly clear way to say who they are.
