According to Reuters, musician Taylor Swift, is expected to take the witness stand in a Denver court over a groping allegation. They say that the 27-year-old pop star may appear in federal court on Monday, as jury selection begins for the trial. Swift claims that 55-year-old David Mueller, a former Colorado radio DJ, put his hand under her dress and grabbed her bare bottom during a meet and greet in 2013. Mueller reportedly posed with the singer, alongside his girlfriend, for a picture. The former DJ, who was fired from his job as a result, claims that groping allegation is quote "nonsense." According to Reuters, Swift stated in a deposition, "...I have never been so sure of anything in my life."