The appearance marks Yeonjun's first solo performance in Central Park and one of the most anticipated stops on this summer's concert lineup.
The TOMORROW X TOGETHER standout is bringing his music to a national television audience during the popular outdoor concert series, which features some of the biggest names in music throughout the summer. Fans began lining up before sunrise for the chance to see the global K-pop sensation perform live.
Entertainment reporter Joelle Garguilo was live in Central Park, where excitement continued to build ahead of the performance, with crowds filling the park and eagerly awaiting Yeonjun's appearance.
Yeonjun joins a star-studded roster of artists featured in the 2026 GMA Summer Concert Series, which brings live performances to viewers throughout the season from New York City.
The concert series, sponsored by Norwegian Cruise Line, airs on "GMA" throughout the summer.
Check out the 2026 lineup below, including more information on how to get tickets.
Be sure to tune into "GMA" at 7 a.m. ET on ABC, and follow "GMA" on Facebook, X, and Instagram for the latest info and bonus content.
YEONJUN: Aug. 5 in Central Park
#YEONJUNOnGMA
Sublime: Aug. 14 in Central Park
#SublimeOnGMA
paris jackson: Aug. 17
#parisjacksononGMA
Sheryl Crow: Aug. 28
#SherylCrowonGMA
Click here for ticket information for the 2026 "Good Morning America" Summer Concert Series.
(Some information from ABC News and Good Morning America)