Girl group f(x)'s Sulli revealed a cute self-camera photo.

On June 15, Sulli posted on her me2day, "Everyone please watch our comeback stage on 'Music Bank.’ 'ELectriC ShoCK' in front of the TV, wait for us!" along with a picture.

In the picture, Sulli has a pink heart drawn on her face. Her accessories, shirt decoration, and other things are also all pink, accentuating Sulli's cuteness.

Internet users who saw the photo commented, "f(x)'s new album is so good,” "Outfit, hair, they're all so pretty,” and "Sulli is getting prettier.”

f(x) made their comeback through KBS 'Music Bank' on June 15th, with their new songs 'Electric Shock' and 'Jet.’

Photo: Sulli's me2day