SISTAR's�Hyorin and Soyu recently wowed the studio with their dance cover of�Beyonce's "Deja Vu". On the August 20th broadcast of MBC's 'Quiz that Changes the World', the two SISTAR members fired up the stage with a hot dance cover, that included Beyonce's famous 'body wave' move. Wearing leggings and loose shirts that emphasized all the right places, the guys in the room couldn't take their eyes off Hyorin and Soyu, especially when they started doing the 'body wave'. Proving the strength of their talents, the girls received a loud ovation from the crowd. Viewers praised, "Beyonce is right here", "Dancing wildly like that live is great work", and "Because of that dazzling wave, sleep has fled from me". Check out their dance performance below! Source: TVDaily via Nate