PHOTOS BTS returns with comeback concert 'ARIRANG'

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS fans fill Gwanghwamun Square in Seoul during the group's comeback concert, Saturday. Joint Press Corps

Fans wave light sticks during BTS' comeback concert at Gwanghwamun Square in Seoul, Saturday, near the statue of King Sejong. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS appears on the stage during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS fans fill Gwanghwamun Square in Seoul as the group performs during its comeback concert, Saturday. Joint Press Corps

BTS fans fill Gwanghwamun Square in Seoul during the group's comeback concert, Saturday. Joint Press Corps

BTS fans fill Gwanghwamun Square in Seoul during the group's comeback concert, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS fans fill Gwanghwamun Square in Seoul during the group's comeback concert, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS performs during the group's comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps

BTS members bow to fans as they finish their comeback concert at Gwanghwamun Square in Seoul, Saturday. Joint Press Corps