Katy Perry and boyfriend Justin Trudeau are quite literally heating things up in the desert.

When Justin Bieber took the stage at Coachella on Saturday night, the performance quickly became the most contested headline set in recent festival history, drawing intense scrutiny that extended far ...

During the headlining performance, in addition to playing songs from his latest studio albums Swag and Swag II, Bieber spent roughly half an hour searching viral clips such as "Deez Nuts" and "Double ...