Korean news sources have revealed that TWICE will be appearing as guests at IU's Seoul concert this upcoming weekend.

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While IU has been celebrating her ten-year debut anniversary with commemorative single "BBI BBI" and special concert preparations, TWICE has been promoting their sixth mini album 'Yes Or Yes.' During this overlap in activities, TWICE and IU have been showing a great junior-senior relationship, which only raises anticipation and curiosity over what kind of performance will be revealed at the show.

Meanwhile, IU began her anniversary tour back on October 28. The concert series will be traveling to three different Korean cities and four cities in Asia.