The seven-member boy group are preparing to release their latest album, 'Arirang,' on Friday.

K-pop megastars BTS returned with a show at Seoul’s Gwanghwamun Square, blending Korean heritage with powerful performances and emotional moments – ending with a surprise reveal of their upcoming Netflix documentary,

The wildly popular K-pop group BTS is back with a new album, Netflix special and a massive world tour following a four-year pause. (AP Photo)

On the 21st, a comeback stage by group BTS was held around Gwanghwamun Square in Seoul. The outfits added deeper meaning to the stage filled with Korean elements. As BTS danced, the bright fabric moving over their black costumes with a subtle luster evoked elegance and charisma.

Second-hand BTS light sticks were selling for up to six times the original price ahead of the K-pop megagroup's huge comeback concert this weekend, an online reseller showed Wednesday (Mar 18). The world's biggest boy band reunites on Saturday for their first show in nearly four years,

BTS will stage its long-awaited comeback concert on Saturday night at Seoul’s Gwanghwamun Square, one of South Korea’s most famous landmarks that represents its royal heritage and political and cultural life.