South Korean singer Oak Joo-Hyun attends the 'Estee Lauder' Double... News PhotoAdult,Adults Only,Ankle Boot,Arts Culture and Entertainment,Attending,Boot,Celebrities,Chunky Heels,Close-up,Estee Lauder Companies,Gray,Gray Boot,Horizontal,Lace-up,One Person,One Woman Only,Open Toe,Opening Event,People,Seoul,Singer,Sock,South Korea,Wooden HeelPhotographer Collection: WireImage 2013 Han Myung-GuSEOUL, SOUTH KOREA - APRIL 05: South Korean singer Oak Joo-Hyun (shoe detail) attends the 'Estee Lauder' Double Wear Lounge opening at Coffee Smith on April 5, 2013 in Seoul, South Korea. (Photo by Han Myung-Gu/WireImage)