Pop star, Selena Gomez allegedly 'swore before storming off the stage mid-performance' at KIIS FM's Jingle Ball on Friday.She wore a truly sexy burlesque-inspired costume, featuring a see-through lace cover and red onesie, showcasing a real glamorous run through.Selena is believed to drop a false statement once things started to not go her way during the performance, US weekly reported. The Spring Breakers star was heard yelling over the packed audience: 'Sorry, the sound isn't working!However, the technical problems did not improve, and in an attempt to save face, Selena continued to chat with the crowd. Despite promising to sing two more songs, the former Disney star abruptly exited the stage after just performing one.MailOnline reached out to Selena's representatives for comment but have not yet received a response.