Girl's Day's youngest member Hyeri revealed her rebellious side.
Girl group Dal Shabet showed off their sexy body lines on stage.
Girl group Dal Shabet came back as matured women.
Singer Rain showed off the sexiness of a 31-year-old man.
Singer Ailee came back with impressive singing skills.
Ailee danced along to other groups' songs in 'Show Champion.'
Girl's Day members were busy covering their legs.
Girl's Day received 1st place on MBC Music "Show Champion."
Group Super Junior's member Kangin encouraged other idol group members during MBC Music "Show Champion."
Kim Hyun Joo to host the new MBC music program "Music Show: Songs From Our Youth" (suggested title).
Members of girl groups Girl's Day and Secret show off their slender waists during the music program "The Show: All About K-Pop".