Justin, 32, took to the stage for his first-ever headline performance at the festival, but it wasn't a typical set.
Katy Perry made a hilarious joke during Justin Bieber's Coachella set on Saturday.
Justin, 32, took to the stage for his first-ever headline performance at the festival, but it wasn't a typical set.
Instead of a polished show, he appeared to be worki... [4254 chars]