She seemed to have gotten the memo from Hillary Clinton that red was the power color of the evening. Her Preen pre-fall/winter 2016 collection dress?complete with a Canadian leaf pin?was scarlet, gorgeous, and stood out in a room of neutrals and blues: Her choice to wear the red dress was a complete surprise to the designers, Harper's Bazaar UK reports. "We're so thrilled, she looks so elegant," Thea Bregazzi, one of Preen's two designers, told the outlet.