When it comes to K-Pop idols, there are so many iconic sibling duos, whether they are both idols or even some who have siblings in the Korean acting industry. TWICE’s Jeongyeon and her sister, actress Gong Seung Yeon | @0seungyeon/Instagram TXT’s Huening Kai and Kep1er’s Huening Bahiyyih | @official_kep1er/Twitter Krystal and Jessica | @jessica.syj/Instagram Twins…

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