Britney Spears & Iggy Azalea Perform 'Pretty Girls' at Billboard Music Awards 2015! (Video)

Britney Spears and Iggy Azalea show off their bodies in revealing outfits during their performance at the 2015 Billboard Music Awards on Sunday (May 17) in Las Vegas.

While the event happened in the MGM Grand Garden Arena, the ladies performed their single “Pretty Girls” live from Britney‘s AXIS Theater at Planet Hollywood.

This was the first time that Brit and Iggy have performed the song live together. Earlier in the night, they walked the red carpet together with their boyfriends.

Watch the performance video below!