WATCH: Louis Walsh features in new X Factor trailer

Now entering its 12th series the X Factor has unveiled a trailer for its new series which is due to air on ITV this Autumn. The trailer features presenters Caroline Flack and Olly Murs in a laboratory trying to 'create' the perfect judging panel consisting of Nick Grimshaw and Rita Ora with Cheryl Fernadez Versini and Simon Cowell also making a return. Louis Walsh who featured as a huge on the show for 11 series' was not invited back this year but is poked fun at by Nick Grimshaw in the trailer while Walsh himself makes an appearance as a janitor figure at the close of the advert. This advert once again proves the judges are the real centre of attention of the X Factor.

Watch the trailer for the new series below