SNSD's YoonA, Lee Seung Gi, and actress Song Ji Hyo have officially been chosen to MC the upcoming SBS 'Gayo Daejun'. On December 27th, a representative of SBS shared that the three entertainers will be hosting the music ceremony on December 29th at 8:50 p.m. KST.� The ceremony will be broadcasted live for viewers to watch.� This is also YoonA's second hosting for year-end ceremonies in 2011, as she previously led the�KBS 'Entertainment Awards' back on the 24th. Furthermore, top artists such as�B2ST, 2NE1, 2PM, Wonder Girls, KARA, Super Junior, SNSD, and TVXQ will also be participating in the ceremony, showcasing a never-before-seen joint performance. But that's not all -- SBS has also organized a dance battle between boy groups, ballad performances, and a sexy performance by several divas. Stay tuned to allkpop for further updates! Source + Photos: Mydaily via Nate