Sarocha Chankimha in Giambattista Valli Haute Couture was your Best Dressed of the Week, captivating you with her sophisticated yet playful mix of tailoring and tulle. I was equally mesmerised by Priyanka Chopra in Oscar de la Renta. A few ripples couldn't dampen my enthusiasm for what might be her best look of the year—or even her best ever. For the men, Bill Skarsgård earned…