The ITV1 talent show returns for its 10th series this weekend with Louis Walsh, Gary Barlow and Nicole Scherzinger returning to the panel alongside former judge Sharon Osbourne.
When asked if there will be rivalry, Dermot said: "Yes. But they are all getting on really well, so it won't be catty, just good natured."
Apart from the show's 10th anniversary, this year also marks the return of Sharon, who left in 2008 after joining the original line-up when the series launched in 2004.
Dermot, who describes Sharon's return as "incredible", explained: "The most heartening thing is that even though she hasn't been on telly for six years, she still has the same effect.
"There are sixteen year olds who would have been ten the last time they saw her, and she's the one they want to impress."
Having been at the helm of the show for the seventh consecutive year, Dermot will be on hand to guide the contestants and viewers through the audition process and nail-biting live shows.
"It's so much fun, and I get to present 20 live shows a year. Also, this is the 10th year which is very exciting. I love my job presenting a family show, which everyone watches together. I don't ever take it for granted. I'm really lucky."
The big question is, will be seeing more of Dermot's dance moves during the live shows this series? "TBC," he said. "Watch this space...!"
The X Factor will be back with a bang as it returns to our screens with double weekend episodes! Dermot will host the main show, while Caroline Flack and newcomer Matt Richardson will co-host the ITV2 spinoff series, The Xtra Factor.
The X Factor returns on ITV1 on Saturday 31 August at 8pm. The next episode will be broadcast on Sunday 1 September, also at 8pm.
Watch The X Factor's latest teaser video below: