Why did HyunA cry on the set of 4minute's debut MV?

A new episode of 'Hyuna's X19' aired on September 13, andHyunArecalled her debut days with4minutewhile chatting with her stylist.  She revealed that she had cried on the set of the group's debut MV for "Hot Issue."

She explained,"The concept was only I wore high heels when with the other members, but the balance was off, my knees hurt, and I couldn't dance.. That's why I said I wanted to change my shoes, but I was so scared.  That's why I cried then."

And now look at her dancing and strutting with super high heels like they're natural extensions to her feet!