Kings of Leon are promoting their upcoming album 'O My Beloved' with the release of the singles 'My Whole World', 'KOYSAR', and 'Cold Blue Dawn', accompanied by a video using NASA imagery. The band has announced multiple international tour dates, including performances in Sydney, Auckland, Dublin, and a joint show with Bastille at Lytham, as well as a surprise Nashville appearance with Zach Bryan. They also marked the 10th anniversary of their song 'Walls' with a reflective release.