Ever since he burst on the scene a couple of years ago, there's been no stopping South Korean rapper PSY.
He's become an international star and his fourth video just passed the 100 million views as well.
His latest offering is all a bit bizarre, with scenes with school kids and all sorts of mad lyrics, but it's worked before and it looks like it's working again.
We suspect you'll be hearing this one all over the place for months to come...
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