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Has X Factor run its course?

IT'S X Factor final weekend -- but you may not have noticed. The show that once held Ireland spellbound has seen ratings plummet by more than a third.

Has the show, one of the most successful TV formats of recent years, run its course?

Judge Louis Walsh doesn't think so but, unless this weekend's final reignites interest, it's hard to envision the show returning to its former glories.