Leading the way were new ladies on the block, Kelly Rowland and Tulisa Contostavlos - with the former in a Twenty8Twelve lemon lace crop top and black skirt, with towering Louboutin heels, and the latter in a black and red dotty DKNY jumpsuit and scarlet platforms.
Following closely behind was Konnie Huq's replacement, presenter Caroline Flack - who will be fronting the ITV2 show with X Factor alumni Olly Murs - in a bright aqua top, black shorts and shoe-boots.
New head of the judges panel, Gary Barlow was also in attendance, as were familiar faces Louis Walsh and Dermot O'Leary.
What do you think of the new X Factor gang? Let us know below!