She appeared in Running Man as a guest in episode 2 to episode 5 then officially joined and became a member of the show in episode 6.
After her contact ended with Namoo Actors, Song signed with C-Je S Entertainment in early 2011 and appeared in Choo Chang-min's film Late Blossom (2011).
Song Ji-hyo and Kim Jong-kook shared their thoughts on rumors of their engagement in the latest episode of the variety show “Running Man” on Sunday.
With the date of the broadcast falling on Christmas Eve, the show’s cast members each brought an object that held fond memories related to the Christmas season.
Song then appeared in the music videos of Lee Soo-young's "And I Love You" and JTL's "Just Say Goodbye".