Justin Bieber savagely calls out Taylor Swift on Instagram, while facetiming Kanye

We guess this is payback?

By Sammy Stewart

At first we thought Justin Bieber's "less hate more love" video he posted during WWKimTay meant he wasn't picking sides.

Well.... we were wrong :\

JB has added some scorching fuel to the Kim and Taylor battle just as it was starting to die down and let's just saw he might have the saltiest comment of them all:

Not only is that "Taylor Swift what up" caption sassy, but in case you didn't notice Justin's photo is a screenshot of a Facetime session with none other than He Who Shall Not Be Named.

We guess Justin never quite recovered from that time Taylor poked her tongue out at him while he was macking on with Sel...