Britney Spears Performs 'Pretty Girls' In Vegas For the First Time

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Britney Spears and Iggy Azalea perform at the 2015 Billboard Music Awards on May 17, 2015 in Las Vegas, Nevada. 

Fresh off a summer break from her Las Vegas residency, Britney Spears brought the Iggy Azalea collaboration "Pretty Girls" into her setlist on Wednesday (Aug. 5).

Although the track dropped May 4, "Pretty Girls" didn't make it onto the setlist for the remainder of Spears' spring leg of her Planet Hollywood residency, which ran through May 20. Spears and Azalea gave the first live performance of the song together on the Billboard Music Awards on May 17.

Britney Spears & Iggy Azalea's 'Pretty Girls' Video: Watch The Awe-Inspiring Alien Invasion

Azalea did not make a physical appearance for the song's Vegas debut, but a video of the Australian rapper played through the entire neon, '80s-inspired performance.

Watch a fan-filmed video of the song's premiere below.