Coachella has had countless bombshell moments over the decades, and so far this year it’s had surprise guest appearances from Madonna, SZA, Billie Eilish , Snoop Dogg, Olivia Rodrigo and Billy Idol , among others. But even as the festival’s third and final night was just getting started on Sunday, Coachella 2026’s biggest surprise is this: All of those guest appearances, and more besides, took place on the traditionally less-newsworthy Weekend 2. 'Project Hail Mary' Author Andy Weir Apologizes