She looks like had shaved-hair cut just front side.
But aactually that’s because of the hair color on front side~ 
f(x) Sulli shaved her head??!!! strange hair…
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Obviously, it has been photo-shopped.
f(x) Sulli shaved her head??!!! strange hair…http://t.co/QKu2Fxda http://t.co/JgMounUa
[FAN] f(x) Sulli shaved her head??!!! strange hair… http://t.co/iyEmYsKA
f(x) Sulli shaved her head??!!! strange hair… « F(X) Fan Club http://t.co/YtAZ3jao
RT @Gateway2Korea: [FAN] f(x) Sulli shaved her head??!!! strange hair. http://t.co/A2B68SUP
ฮ ฮะ เฮ้ยยย~~!!! ผมซอลลี่~!!!! แว ออต๊อชเค~!!!??? (O[ ]o!!??) http://t.co/at3xfx17