KARA's YoungJi and 4minute JiHyun both suffered a stage mishap when they both fell on stage during their respective performances at the '2014 Hallyu Dream Festival' on September 28.Nam Jihyun had lost her balanced at the very start of their 'What's Your Name' performance and fell but quickly stood up and return to her position. In the same situation, Heo Youngji had tripped on her heels and fell down in sitting position but smiled it away and got back to their 'Mammamia' performance as if nothing happened.Both might have experienced unfortunate stage problems but the girls showed professionalism and went on with the show without causing any problems. You may check the video below: