Strictly Come Dancing’s Shirley Ballas has appeared to address rumours around a possible exit from the show.During an appearance on BBC’s It Takes Two on Wednesday, the judge seemed to reference any rumblings of a farewell after she was shown a video montage to mark her 10th anniversary of being Strictly's head judge.Ballas became emotional after seeing a host of pro dancers and judges featured in the video, as well as her son Mark.