Everyone in the music world knew that Little Mix and Fifth Harmony hated each other.
Not only them, but even their fans couldn't stand each other.
The Mixers and Harmonizers were forever at war, be it on Twitter, Facebook, Tumblr, YouTube or Instagram.
But what happens when Little Mix and Fifth Harmony are asked to collaborate?
$#!T happens, that's what.
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Feat. One Direction, The Vamps, Demi Lovato, Ariana Grande, Jason Derulo.
#ShitHappens
