IU recently held her two-night world tour encore concert, 2024 IU HEREH WORLD TOUR CONCERT ENCORE: THE WINNING, with many fans and celebrities in attendance. ATEEZ‘s Seonghwa and Jongho were among those in attendance at her sold-out show. IU Fans spotted Jongho and Seonghwa attending IU’s concert together tonight. Seonghwa went to IU’s concert with…