Koo Hye-sun's recent pictures

Published on 2012/06/12 | Source

Koo posted current pictures of herself.

She posted them on her Twitter on the 12th, saying, "End of Year exams",

In the picture she is pressing her lips tight with a cute expression.

One thing about this picture is that she revealed her collar bone, giving a kind of sexy look never seen in her before.

Netizens say, "Koo Hye-sun is pretty", "She's pretty sexy" and more.