South Korean showbiz icons G-Dragon and Cha Eun-woo stole the spotlight at the Asia-Pacific Economic Cooperation Leaders Meeting gala in Gyeongju on Friday, blending diplomacy, culture and star power in a way that left both K-pop fans and foreign dignitaries buzzing.G-Dragon was the only K-pop artist invited to perform at the high-profile dinner attended by heads of state and global executives at the Lahan Hotel’s grand ballroom.The singer-producer took the stage with dynamic live renditions...