IU had “2017 IU Tour Concert” for two consecutive days in Seoul, South Korea from Dec 9 until Dec 10, 2017. G-Dragon kept his promise and made an appearance at her concert as a featured artist and sang Palette with IU and performed CROOKED. Besides featured guest G-Dragon, various celebrities attend her concert: Song-song couple (Song Joong-ki & Song Hye-kyo), Park Bo-gum, Lee Jung-Keun, Lee Jong-suk, many more.


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