Source: KoreaBooHaHa (Ha Donghun) and Byul (Kim Goeun) officially tied the knot as they held their wedding ceremony yesterday (Nov 30). HaHa and Byul were joined by their close friends and family members in a private ceremony held at the Grand Ballroom, Building 63 in Seoul, South Korea. The couple surprised fans as they announced their plans of marriage last August. Both were revealed to have been close friends for at least eight years and were in a relationship early this year. Kim Jaedong helped host the ceremony while close friend Kim Jongkook sang a special track for the couple. HaHa and Byul's private wedding ceremony was attended by close friends in the industry such as Kang Hodong, Yoo Jaesuk, Noh Hongchul, Jung Hyungdon, YB, Leessang's Gary and Gil, Ji Sukjin, Girls' Generation's Yoona and Taeyeon, After School's Gahee, Younha, Solbi and many others. Meanwhile, HaHa and Byul are scheduled to leave for their honeymoon to Vietnam. Congratulations, HaHa and Byul!