[4] Because of her pregnancy during filming of the auditions, Amanda Holden was required to miss a number of sessions, leading to producers asking Carmen Electra to step in as a guest judge in her place.
[7] The sixth series was won by dancing dog act Ashleigh and Pudsey, with opera duo Jonathan and Charlotte finishing in second place and choir Only Boys Aloud third.
[2][3] Their decision led to the producers seeking out their replacements, after deciding to maintain the use of four judges in the programme following Cowell's announcement in December 2011 that he would be returning to oversee auditions for the sixth series.
Both Hasselhoff and McIntyre were eventually replaced by comedian David Walliams, and singer and TV presenter Alesha Dixon, the latter having previously been a judge on BBC's Strictly Come Dancing.
Per the programme's terms and conditions, O'Shaughnessy had not disclosed that his involvement would be ineligible, due to him signing a contract with Universal Music and securing a place on the first series of The Voice of Ireland that same year.
Although the singer was confronted with this information and stated in his defence that he wished to express his own music, Simon Cowell had to make clear that his involvement on the programme was a direct conflict of interest.
Although the regulator reprimanded ITV for the failures in the operation of the app, it acknowledged that the concept was an original idea and that the broadcaster was not at fault for the technical issues that occurred per the actions taken to deal with the resulting problems.