Wanna One’s final concert “Therefore” was held against four days from January 24 through 27 at Gocheok Sky Dome.

In addition to Park Seo Joon, BIGBANG’s Seungri, and Ahn Jae Hyun, who attended on the first day, several other celebrities showed their support for Wanna One on the following days.

On January 26, Jeon Somi posted a selfie with her friends Lee Dae Hwi, Park Woo Jin, and Lai Guan Lin taken after their concert on the previous day. She wrote, “Somi’s friends have gathered. Guan Lin, Woo Jin, Hwi Dae Hwi, I cherish you a lot,” and added, “It has been awhile.”

She continued, “Do well today. Wanna One, you have done well. Don’t cry!”

Jeong Sewoon also attended on the second day to support his “Produce 101 Season 2” friends. He posted a photo of the event slogan with the caption, “Thank you to Wanna One who allowed me to reminisce about 2017 with a smile! Goodbye, my 2017.”

Also from “Produce 101 Season 2,” Kim Sang Bin uploaded a cute photo with Kim Jae Hwan and the simple caption, “Hm,” after the January 26 concert.

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Heize, who collaborated with Ong Seong Woo and Lee Dae Hwi on the unit track “Sandglass,” attended on January 26. She wrote, “You were so, so amazing. You have worked really hard. [You are] the best. HeOngDae for the first time in 300 years.”

On January 27, VICTON’s Heochan shared photos taken with Yoon Ji Sung. His caption reads, “Hyung, this is late but thank you for inviting me to your concert yesterday, and you were so great..! Hwaiting for today’s concert, as well!”

Kim Sae Ron was in attendance at the final concert. Along with selfies taken with Park Woo Jin, Ha Sung Woon, and Kang Daniel, she wrote, “Not the end, but a new start. I will always cheer you on, brothers.”

Child actresses Kal So Won and Lee Re attended, as well. Kal So Won’s mother shared through Instagram, “[Kim] Sae Ron remembered that So Won is a fan of Wanna One and brought her to the concert. So Won invited her friend Lee Re, so they went hand in hand and enjoyed the concert together.”

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오늘 워너원 마지막 콘서트 마지막 날 다녀왔어요~새론언니가 소원이가 워너원 팬이라는 걸 기억했다가 일부러 이렇게 콘서트를 보여줬답니다ㅠㅜ소원이는 친구 이레를 초대해서 손 붙잡고 같이 신나게 콘서트를 즐기고 왔답니다.4시간반의 시간이 순삭이었다며ㅋ기쁨 반 아쉬움 반. 그래도 넘 좋아하는 강다니엘오빠랑 박우진오빠와 사진한장씩 남기고~감사합니다ㅠㅜ사랑해요 모두❤ #워너원콘서트 #워너원막콘 #강다니엘 #박우진 #고척스카이돔에서 #갈소원 #김새론 #이레 #천사새론이 #능력자새론이 #갈탱이워너원에퐁당 #눈물없이볼수없네 #소원이소원풀었다

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At the final concert, BTS’s Jimin and EXO’s Xiumin were also spotted through fan taken photos. Jimin is known to be close friends with Ha Sung Woon, while Xiumin became friends with Kang Daniel through “It’s Dangerous Beyond the Blankets.”