The idol-turned-actress shared a selca via Instagram on July 5 with the caption, ''Change''.
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In the black and white cut, Nana's long, luscious hair is nowhere to be seen as she's captured rocking a new, short bob.
Netizens expressed shock at Nana's new style and commented, "I couldn't recognize her..", "Nana OMG", "Wow".
How do you like Nana's short hair?