For the first time in X Factor history, viewers can vote via hashtag on Twitter to determine which of the Judges is allocated each of the four categories – the Girls, Boys, Groups and Overs.
Tweet a hashtag with the name of the judge followed by the category you would like to see them mentor.
Voting is now open.
Following The X Factor’s triumphant return to ITV, our Judges were back this evening with more talent, more sass and more surprises!
So, just what's got our Cheryl so upset? Here are our top five moments...