Gwendoline Christie wore a creation by her longtime partner, designer Giles Deacon , for the opening night of “The Gilded Mischief” in London on Tuesday night.

The Emmy Award-nominated “Game of Thrones” alum styled Deacon’s “Regency Aperigon” stripe in shades of cream and muted gold. The voluminous coat carried a lightly militant aesthetic, with sharp lines running from the seams to the pockets and cuffs.

Buttons adorned either side of the lapel-like fixtures on the coat, while waist pockets with diagonal lines employed an edge of sartorial severity for the look. The actress also wore a color-complementary garment with a lavallière detailing at the base of the neckline. Her heels included a bow for an extra feminine touch.

Deacon favored more subdued attire. The designer wore a mut

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