'X Factor' Christmas Week Song Choices Revealed Ahead Of Semi-Final

With Christmas just around the corner, the ‘X Factor’ contestants will be getting festive this weekend, as the four remaining acts battle it out for a place in the final.
And ahead of Saturday’s (3 December) Christmas-themed live show, bosses have revealed which Yuletide classics they will be taking on. 
Before you ask, yes, someone is doing Mariah. 
But as well as taking on a festive classic, Matt Terry, Emily Middlemas, Saara Aalto and 5 After Midnight will also be