Katy Perry, 33, is currently on her Witness world tour and on Sunday night she took the stage in Buenos Aires, Argentina. The pop star donned a gold robotic-style costume which featured which featured high-neckline zip-up sleeveless, thigh-grazing minidress with matching thigh-high boots. She looks amazing,nice costume. Related Posts:Katy Perry and Dua Lipa spotted in […]