urx unit loader Justin Bieber usurps Lady Gaga's YouTube throne

All hail, Justin Bieber.

Biebs’ video “Baby” is the most viewed video of all time on YouTube, the video sharing site tweeted Thursday (July 15). ]]>Follow Zap2it and Zap2itHanh on Twitter and Zap2it on Facebook for the latest movies, TV and celeb news.