The 40 most viewed YouTube music videos ever

1. Justin Bieber ft Ludacris - ‘Baby’ You’d think that the most viewed video on YouTube, with an incredible 549 million views would be something illustrious and monumental. But no, it’s Justin Bieber having a dance off with some Mexican girls in a bowling alley. Oh, and Ludacris is there as well. Probably chaperoning or something.

• Added: May 25, 2011

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