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On the January 29th broadcast of 'One Night of TV Entertainment', Ga In was interviewed by top actors Joo Sang Wook, Kang Ye Won, and Ha Ji Won. When Joo Sang Wook asked, "How old were you when you started wearing eyeliner?" Ga In revealed her obsession with eyeliner started at the time her group Brown Eyed Girls transitioned from a ballad to a dance group, sharing, "[My eyeliner] became thick starting from the 'Abracadabra' promotions." 

The actor asked, "But why did you keep wearing eyeliner?" Ga In shared, "It's a new world. I thought that I was able to start a second life without plastic surgery."

Ga In recently made her comeback with "FxxK U", and of course, she couldn't forget her eyeliner, which makes every concept she pulls off look fierce!