The August 23 broadcast of�MBC Every1's 'Weekly Idol' welcomed solo singers Sunmi and Kim Chung Ha to the show where both girls showed off their flawless dancing skills.

During the 'Free Dance,' Sunmi is full of aegyo, whereas, Kim Chung Ha transforms into a powerful dancing machine, moving to Red Velvet's "Red Flavor" and having a hot dance battle with her sunbae.

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As it is 'Weekly Idol,' the women couldn't leave out the '2x as fast' challenge as Sunmi danced to her latest track "Gashina" at twice the speed, in addition to Kim Chung Ha with "Why Don't You Know".

Check out the videos above and below.