Back in February, pictures of f(x)'s Krystal in the 5th grade circulated the internet, showing her slim and tall figure as well as pretty looks. �Now, it looks like netizens went further back as pictures of Krystal as an adorable child made their way onto online communities under the title 'Krystal's Process of Growth'!

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In the pictures, Krystal looks super cute with her child-like features, such as the chubby cheeks and pure smile. �Netizens exclaimed, "Pretty," "Krystal, of course," and, "Her beauty is the best."