Sulli came out in 'Running Man.'

In SBS "Running Man" aired yesterday, f(x)'s member Sulli appeared in a white dress.

The members, shocked at Sulli's beauty, got up from their seats and said, "Sulli turned into a woman" and "Too pretty!"

Sulli seemed to have grown out of her cute stage from the last time they saw her, shocking them with her increased beauty.

Photo Credit: SBS