On April 16th, veteran singer Ha Chun Hwa guested on KBS 2TV's "100 Points out of 100" and proved that she still had the youthful energy to keep up with her idol juniors. Despite this year being her 50th anniversary since her debut, Ha Chun Hwa fit right in with the other idol guests and even gave a perfect performance of popular girl group dances. From Hyori to KARA, T-ara, the Wonder Girls, and SNSD, Ha Chun Hwa amazed the studio and viewers alike with her flexibility, especially with KARA's famous 'butt dance'. Check it out below! Source: Newsen via Nate