The Xtra Factor host Caroline Flack is to present backstage links on this year's X Factor live shows, complementing Dermot O\u2019Leary\u2019s key role as main presenter front of house. Caroline will be chatting backstage \u2013 talking to contestants before they perform, and capturing the excitement and nerves behind the scenes. Dermot O'Leary, The X Factor\u2019s main host, will continue to preside over proceedings, ensuring the audience at home, and in the studio, get the full live X Factor experience. He\u2019ll keep the judges in check; provide a steadying presence for hopeful contestants, as each gets their turn in spotlight; and, as ever, he\u2019ll get the immediate reaction from each competitor after their performances. Dermot said: "It's a big family at The X Factor and I'm thrilled to have Caroline on board on the main show. She is my TV little sister and she'll be great." Caroline said: "I can't wait to help out Dermot on The X Factor and share all the backstage antics with people at home. Live shows this year are going to be the best yet." Caroline will continue to host The Xtra Factor with comedian Matt Richardson.