Britney Spears Iggy Azalea - Pretty Girls song. The music video for "Pretty Girls" is scheduled to premiere on May 11, and the song will be performed live by Spears and Azalea for the first time on May 17 at the 2015 Billboard Music Awards. I find the chorus obnoxious. Aside from the dreadful hook, This isn't super terrible. It'll probably get some play since it seems to be targeting a specific demographic.