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Sophie, Duchess of Edinburgh, radiated elegance as she attended the Reasons For Hope Gala in London, stepping out in a luxurious new gown from Zimmermann.

Sophie is no stranger to the Australian label, having worn at least seven of its vibrant designs for royal engagements.

Her latest look exudes glamour, thanks to its voluminous, floor-sweeping silhouette and semi-sheer chiffon overlay adorned with swirling gold motifs. The soft lilac-silver hue is equally flattering. 

Naturally, a design like this comes with a hefty price tag - but I've found Sophie's exact dress on sale with 40 per cent off. 

It would make a stunning choice for any special occasion, from a black-tie wedding to a summer evening soirée. 

If you're shopping on a budget, head straight to my edit below for more affordable alternatives. 

Recreate the look on the high street