Martin Garrix collaborated with U2 on the new single 'Fireflies,' which premiered at Tomorrowland, marking a significant moment in his career alongside a decade-long anniversary of his hit 'In The Name of Love' with Bebe Rexha. The artist also performed at major festivals including Tomorrowland and Ultra Europe, where he paused his set for crowd safety, while also being present at Alesso's wedding in Italy.