f(x) guest starred on the July 29 episode of of KBS' 'Hello' and helped out various panel guests with their problems and worries. 

One of the panel guests was a high school girl who was having a hard time for looking similar to Jo Jung Chi. When she revealed her face, the audience was surprised by her striking resemblance to the guitarist. She shared that she can't even go to the bathroom peacefully because of the kids who would make fun of her appearance.

In regards to the girl's story, the MCs asked f(x) if they were ever told that they look like someone. Victoria shared that many people told her that she looks like the actress Lee Na Young. Meanwhile, Amber shared, "I was told that I was SM dinosaur pokemon siblings with Super Junior's Donghae and SHINee's Jonghyun. I was Charmander, Jonghyun is Charmeleon, and Donghae is Charizard."

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Amber revealed, "I was teased a lot for looking like a boy until high school. There were times I cried because it was hard on me." She also added, "But I thought, 'I'm me, so I'm going to live for myself'. But I came to Korea, and it became my charm."