This British actress looks effortless in ladylike dresses and no-fuss separates…step forward… Sienna Miller. The first-time mother has undergone a style transformation, swapping her trademark boho-casual wardrobe for a modern ladylike look. “Sienna’s style is very innate,” says long-time friend Matthew Williamson. “There’s a sense of adventure and insouciant glamour, which reflects her personality.

OFF DUTY

WHY IT WORKS…

– Barely-there makeup and dishevelled hair stop the look from being too severe.

– Slouchy boyfriend jeans give a classic sweater a modern edge.

ON DUTY

WHY IT WORKS…

– The simple, empire-line dress is feminine, figure-flattering and the perfect shade of pink – pretty, but not saccharine.

– Nude pumps elongate the legs.

Shop Sienna’s Style