Justin Bieber, One Step Closer to World Domination

Because topping the charts and twitter clearly isn’t enough for the latest tween sensation to sweep the nation, Justin Bieber will take his act to the tube this weekend where he’ll join professional Sarah Palin impersonator and 30 ROCK actress Tina Fey on SATURDAY NIGHT LIVE. Which judging from these promos, might actually be worth staying up for. Stay tuned.