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The original sexy diva of K-Pop, Chaeyeon, heated up the set of 'Running Man' with moves that proved she's still got it! Chaeyeon danced to Big Bang's "Bang Bang Bang" firing hearts at all the male cast members and guests who were frozen in awe at her stage presence. She also got our hearts racing with a performance AOA's "Heart Attack," during which Seolhyun joined in! 

You just can't look away when two of the sexiest female artists shaking what their mamas gave them. You both slay, Chaeyeon and Seolhyun!