The song has actually been around for ages!
It’s been one of the biggest songs this summer but Justin actually wrote it years ago!
Here at Fun Kids we’ve got our hands on a video that shows a young Bieber singing the song long before Skrillex and Diplo got their hands on it.
Justin Bieber is a record breaker!
They’ve turned it in to a huge dance tune but as you can see in the video it started out as a much slower song.
Which version do you prefer? Let us know in the comments below!
Watch 15 year old Justin performing below…
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