According to YouTube Charts, Bruno Mars' official video for "The Lazy Song" has become the #4 most-viewed video of the past month, behind only Katy Perry's "E.T.," Britney Spears' "Till the World Ends," and the T-Mobile "Royal Wedding Entrance."

But what set's "The Lazy Song" apart is that it's behavior has been very different than the others, where views are concerned. Like many splashy new videos, Spears and Perry's videos saw big spikes -- 3-4 million views in a single day -- just after being posted and then consistently averaged several hundred thousand views per day. T-Mobile's spot, which is not really a music video, saw a big initial spike and then a second, naturally, around the big day.

Music fans have been checking out "The Lazy Song," which has been appearing among our Most Shared videos consistently for weeks, pretty differently:



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"The Lazy Song" still has a long way to go before catching "E.T." however. That video has been viewed 47 million times so far.