On May 17, 2015, Britney Spears and Iggy Azalea performed live Pretty Girls for the first time, at the 2015 Billboard Music Awards, from the Axis Theater at Planet Hollywood resort, where Britney used to headline her Piece of Me residency. The performance was inspired by an 80's theme mixed with space sci-fi outfits and effects, with an entrance that made they look as if they were descending from a spaceship, thus serving as a continuation to the music video of the song, where at the end th