Happy Birthday, Kate! 31 Years, 31 Stunning Outfits

On her big day, we look back at the Duchess's best year in style yet. See the sexy gowns, on-trend coats and more gorgeous looks that deserve to be celebrated


To tour steamy Kuala Lumpur on Sept. 14, she looked cool, calm and collected in a pale mint button-front dress with sheer sleeves, which she wore with a head scarf later.