Ariana Grande Teams Up With Iggy Azalea For "Problem" After "Fancy" Performance At Billboard Music Awards 2014 (VIDEO)

Iggy Azalea and Ariana Grande strike poses during their amazing performance of "Problem" at the 2014 Billboard Music Awards.

Before Grande, 20, take the stage, Iggy sang her hit single "Fancy" alongside Charli XCX in front of the screaming Vegas crowd.

"thank you @billboard #bbmas for having me and my loves for cheering me on 💜💫 I love u 💜💫🌜" the Disney star tweeted after she hit the stage.


Check out the video below…

 

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