The launch of the new series of the X Factor was watched by a peak audience of 12.6million on Saturday night - matching the record for the highest viewing figures for the opening night.
ITV said the peak number was a combination of people watching on ITV1 and ITV1 +1, and 12million tuned in to the 8pm ITV1 showing.
At its peak 51% of those watching television were tuned in to the talent contest.
An average audience of 11m (10.5m excluding ITV1 +1) watched the new panel of judges, Gary Barlow, Tulisa Contostavlos, Kelly Rowland and Louis Walsh launch series eight of the show.