Yoona shows off slim figure in unedited BTS photos of Ace Bed CF

 BTS photos of Ace Bed CF featuring SNSD's pretty member Yoona have become a hot topic online.

In the photo above,Yoona is seen practicing the dance step for the CF,showing off her slim figure.

Yoona's aegyo

Yoona and Sooyoung are testing the springs of the bed,flaunting their long and slim legs.

For those who have not seen the CF,kindly have a look here