Question: What is the place of birth of the performer of song Pretty Girls (Britney Spears And Iggy Azalea Song)?
Sentence (from "Pretty Girls (Britney Spears and Iggy Azalea song)"): The song was performed live by Spears and Azalea for the first time on May 17 at the 2015 "Billboard" Music Awards.
Relevant evidence: No