'K-Pop Star 3' aired a preview of�2NE1's surprise appearance on the upcoming broadcast!

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Yang Hyun Suk�kicked off 'YG Week' with the Top 6 finalists who couldn't hold in their shock when 2NE1 walked in through the door to show their support. The Top 6 will face off to enter the Top 4 on the upcoming broadcast!

Catch 2NE1's appearance when the episode airs on the 23rd at 4:40 PM KST!