Simon has fun with Mel B during the Arena Auditions after she's been a little peckish.
Watch more backstage fun at the Arenas in this weekend's The Xtra Factor Saturday 9.20pm and Sunday 9.00pm.
Catch up on the Room Auditions on ITV Player.
Paul got to Judges' House last year but he didn't make Louis' final three.
Watch Simon and Louis bicker before Paul's Arena Audition and see his performance Saturday 8pm on ITV.
You can watch Paul's Room Audition on ITV Player too.