Justin Bieber plaid shirt sunglasses phone car

Maybe he's chatting with BFF slash crush Kim Kardashian! Check out the biggest music superstar in the world, Justin Bieber, stopped at a Bev Hills gas station earlier this afternoon. Afterward, he headed over to the Chateau Marmont for a business meeting.

Definitely the busiest kid in show biz! Must be partly due to that megawatt smile of his...