BTS members Jin and Kim Namjoon enjoyed themselves thoroughly as they attended Coldplay’s concert in Seoul on Friday evening. Several videos and pictures of the duo from the concert emerged on social media platforms. (Also Read | Jin joins Coldplay for 1st concert after military discharge; BTS singer, Chris Martin kneel, bow at each other on stage) BTS’ Jin and Kim Namjoon attended Coldplay’s show in Seoul and also posed with Chris Martin. Jin has fun at Coldplay’s concert During the show, Jin arrived on stage and was in for a surprise as Coldplay lead singer Chris Martin lifted him up. Chris then twirled him as Jin laughed. The duo then sat together as Chris played his songs. Chris sang along with Jin and thanked him in Korean. At the show, Jin goofed around wearing an alien mask. Speaking to the audience, Jin spoke about BTS reunited after the military discharge of the rest of the members. “BTS will be back soon,” Jin said onstage. The duo also shared conversation during the show. Chris also …