Princess Beatrice is graceful in print dress for evening out in London

princess beatrice and edoardo mapelli mozzi
Princess Beatrice is elegant in print dressDave Benett - Getty Images

Princess Beatrice attended the grand opening of London's iconic Old War Office on Tuesday (26 September) night.

The royal was joined by her husband, Edoardo Mapelli Mozzi, for the glamorous occasion. Beatrice embraced a smart casual evening look in an elegant blue and black print knee-length dress paired with an oversized black tuxedo-style blazer and matching black heels.

princess beatrice
Dave Benett - Getty Images

Built on the historic site of Whitehall Palace, The Old War Office has undergone a six-year transformation and is now home to the UK’s first Raffles Hotel, plus private residences, nine restaurants, three bars, a Guerlain spa and a wellness centre by Pillar Wellbeing.

It's set to be a sought-after destination in the capital, and Beatrice wasn't the only royal in attendance at the opening party. During Tuesday's event, The OWO was officially inaugurated by the Princess Royal, who was dressed in a striking turquoise jacket and matching skirt with a polka dot print. The guest list also included Andrew Lloyd Webber, Tamara Beckwith, Mayor of London Sadiq Khan and Andrea Bocelli, who gave a performance at the party.

princess anne
Dave Benett - Getty Images

Beatrice and Edoardo recently celebrated their daughter's second birthday and shared a rare snap of their little one on social media to mark the special occasion.

In a post on his own Instagram account, proud dad, Edoardo shared a sweet snap of two-year-old Sienna in a pink floral dress and a large straw sun hat. The photo shows Sienna walking barefoot along an outdoor path surrounded by grass and wildflowers.

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