The mother of one wore a Zara Tweed Jacket with Poplin in black, which she has owned since 2019.
The description of the jacket reads: “Short jacket featuring a V-neckline, long sleeves with pronounced shoulder pads and contrast cuffs, decorative front welt pockets and gem buttons.”
It is a black tweed jacket with white cuffs and silver buttons.
Unfortunately the jacket is no longer in stock, so it is unclear how much the garment cost.
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Beatrice is not the only member of the Royal Family who has worn this Zara jacket.
In 2019, Camille Gottlieb, the granddaughter of Grace Kelly, the Princess of Monaco, was seen donning this beautiful garment.
Beatrice wore the jacket on Wednesday over a pretty white dress for her VIP event.
For footwear, she donned an exciting pair of Gucci loafers.
This accessory costs a sensational £1,570 and is described as the brand’s “signature” bag.
The Princess kept her ginger locks straight and behind her ears.
Also on display was Beatrice’s diamond engagement ring from Edoardo Mapelli Mozzi.
Engagement ring specialist, Max Stone, previously told Express.co.uk: “Princess Beatrice’s ring is an absolute stunner. A six claw round diamond takes centre stage, which looks to be around three carats.
“The round diamond shoulders two tapered baguettes, which gives the ring a vintage feel and Art Deco-inspired look. For added sparkle, the ring also features small pavé diamonds halfway around the band.
“From the images, it’s clear the diamonds are VVS grade, which means they have minuscule inclusions that are difficult even for trained eyes to see under 10x magnification. The diamonds look flawless.
“With this in mind, I would estimate the value of this ring to be around £130,000 to £140,000.
“Thanks to its royal legacy, this will no doubt increase in years to come.”