Feeling depressed? Need to dance? This video of Carly Rae Jepson's impossibly catchy song, Call Me Maybe, is ALL OVER THE KNOWN UNIVERSE.
There are many versions and this one features Justin Bieber, Selena Gomez and Ashley Tisdale. But every kid in the free world is making their own. Watch it and you'll see why.
That's right, Justin Bieber, yo.