Today, as the Duchess of Sussex turns 41, she'll be celebrating her birthday in California, where she's made her home with Prince Harry and their two young children. Since relocating to the US, the duchess has shifted away from her royal style staples, losing the cape dresses and fascinators in favour of sleek lines and a laidback-luxe vibe. From high-end denim to fashion-forward tailoring, girl-about-town power dressing has become her new sartorial signature: be it headlining a global fundraiser or supporting her husband at the Invictus Games. Click the link in bio for an analysis of her post-royal wardrobe.