Who is Kim Jong Un’s mystery woman?

In this photo released by the Korean Central News Agency (KCNA) and distributed in Tokyo by the Korea News Service on Monday, July 9, 2012, North Korean leader Kim Jong Un, center right, and a woman clap with others as they watch performance by North Korea's new Moranbong band in Pyongyang, North Korea, Friday, July 6, 2012. The source did not identify the woman but South Korean media speculated that she could be Kim’s younger sister or wife. (AP Photo/Korean Central News Agency via Korea News Service) JAPAN OUT UNTIL 14 DAYS AFTER THE DAY OF TRANSMISSIONWho is she? That's what people around the world want to know about a mysterious young woman who appeared with North Korean leader Kim Jong Un at a pair of events over the weekend.