Katy Perry, 40, was performing her hit song, Part of Me, during her Las Vegas concert of her Lifetimes Tour on Saturday when she suffered a major wardrobe malfunction. In a viral video doing the rounds on the internet, her bra looks unhooked as she runs across the stage’s runway area, donning a reflective cone bra, matching reflective briefs, and pointed thigh-high leather boots. As soon as she realised it, she stopped and changed her moves to hide the wardrobe malfunction. “Oh sh*t, my bra is gonna come off,” she said into the microphone while walking to the main stage. Perry didn’t let the incident affect her performance as she kept dancing with her backup dancers near large robotic legs. She also turned around to twerk for the crowd with the back of her bra open. The singer then walked over to the side stage, where one of the dancers helped her fix her bra. “Put my bra back on, Patrick,” she said into the mic, before playfully adding, “Sorry guys, you didn’t pay that much.” …