Ariana Grande ‘Problem’ Vs. Katy Perry ‘Birthday’ – Best Performance?! (BILLBOARD 2014)

Ariana Grande ‘Problem’ Vs. Katy Perry ‘Birthday’ – Best Performance?! (BILLBOARD 2014)
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It’s a pop diva showdown this week. Katy Perry Vs. Ariana Grande & Iggy Azalea: Who totally killed it at the Billboard Music Awards 2014?

First up, Katy performed her new hit single ‘Birthday’ while sporting a pretty crazy outfit.

Then Ariana took the stage with Iggy Azalea to perform ‘Problem,’ and let me just say, it was totally awesome.

Ok so who’s performance did you like better? Ariana’s or Katy’s?

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