Photo: Photo by Kevin Mazur/Getty Images for Coachella Friday marked the highly anticipated kickoff to Coachella Weekend 1, and despite being anchored by Sabrina Carpenter and featuring buzzy performances by KATSEYE, Dijon, and the XX, the name on everybody’s lips on day one was Justin Bieber. On Saturday night, the Canadian heartthrob finally took the stage for his first headlining performance at the festival, using the stage as an opportunity to (yet again) reinvent his celebrity with a few