Pop singer Britney Spears will reportedly make an appearance on 'The X Factor' during the live shows later this year.
According to ITN, the singer will perform her comeback single 'Womanizer' on the reality show in December.
It is not clear yet whether or not Spears will act as a mentor to the remaining acts on the show.
The singer is planning to release her new album 'Circus' on 2 December next, to mark her 27th birthday.