The highly anticipated collaboration between Britney Spears and Iggy Azalea is finally here! The pair has released the audio for their new single "Pretty Girls."

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Last month, the single started gaining buzz when the two were spotted filming their music video decked out in '80s attire. Spears and Azalea are expected to debut the song at the Billboard Music Awards on Sunday, May 17.

Check out the track below: