K-Pop icons TWICE (Momo, Mina, Dahyun, Sana, Jihyo, Chaeyoung, Nayeon, Tzuyu) have been together for six years, so we asked them to play a game of "Then vs. Now" and look back on how they've changed since their world debut. From how long it took them to learn their choreography to their fave TWICE song of all time, they're serving a huge dose of nostalgia. Listen to Formula of Love: O+T=❤️ here: https://twice.lnk.to/formula-of-love