Girls’ Generation’s Sooyoung was spotted in a revealing knitwear dress at the opening event of “The World Of Stella At BoonTheShop,” a fashion brand pop-up store, Wednesday.

The 25-year-old singer wore a dress featuring a twist detail showing off her hips and reaching her calves. The dress by English fashion designer Stella McCartney sells for $1,000.

Other celebrities including singer BoA, Kara’s Goo Ha-ra and actress Kim Hee-sun also attended the event. Sooyoung’s group Girls’ Generation will reportedly release its fifth new album in early June.()Related article: Stella McCartney to hold private style classes in Seoul