f(x)'s member Sulli showed off a chic charm through an all-black outfit.

f(x) attended the 2013 Hong Kong Dome Festival held yesterday to perform for their fans.

On this day, Sulli wore a black shirt and black pants along with black boots, matching to make an all-black outfit. She added onto the charisma with a gun belt.

This concert was attended by other K-pop singers as well, including BoA, SHINee, EXO, and Henry.

Photo Credit: TV Report