'Roar' has become Katy's fourth number one in the UK - but also her fastest selling in this country! That's right, it managed to beat 'Firework', 'California Gurls' and 'Last Friday Night (T.G.I.F)'.
The lead single from her new album PRISM managed to sell 179,500 copies this past week, making it the third fastest selling single of 2013 so far - behind Robin Thicke's 'Blurred Lines' and Avicii's 'Wake Me Up'.
We're just going to leave you with the video again, because it's THAT good.
Anybody else fancy a monkey companion now?
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