Ariana Grande previews new video 'Problem' (featuring Iggy Azalea)...

It's almost here! Ariana Grande unveils the first teaser for the upcoming music video of her hit single 'Problem,' featuring Iggy Azalea and rapper Big Sean. Both gals don 60s-chic inspired looks for the black and white clip, which will premiere in full next week on VEVO. Check it out!

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