On January 22, Umji shared various selfies on Instagram sporting a sharper jawline as well as losing fat on her cheeks.

Fans also marveled over the idol singer's slender forearms and praised her new mature look.

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What do you think of Umji's transformation?

#? #ceci ?? ????? ?? ? #

A post shared by ???? GFRIEND (@gfriendofficial) on Jan 21, 2018 at 7:24pm PST