Who rocked the red carpet this week? Michelle Williams in Victoria by Victoria Beckham, Reese Witherspoon in Miu Miu, Emma Watson in Valentino, Sarah Jessica Parker in Oscar de la Renta, Alexa Chung in Louis Vuitton, Katharine McPhee in Valentino, Rose Byrne in Alexander McQueen, Diane Kruger in Giambattista Valli, Thandie Newton in Osman, Beyonce [...]