Solo artist Lee Hi wowed fans with a surprise appearance on the latest episode of SBS's 'K-Pop Star 3'!

She appeared for a good reason, however, as the latest episode showed the surviving finalists performing a rendition of her hit track '1.2.3.4' together.

Her slender face surprised her longtime fans who had gotten to know Lee Hi through her lovably chubby appearance on the first 'K-Pop Star'!�

Meanwhile, the competition continued on the latest episode. Check out the results here!

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