The X Factor starts tonight Thu-13-Sep-12 09:24 Share this By Jay-Jay FeeneyThe X Factor USA starts tonight at 7.30pm on TV3. It’ll screen every Thursday and Friday at 7.30pm. We get it only 3 hours behind the US!Britney Spears is a judge and she admits she was nervous on the first day of filming. You May Also Like You'll never believe what word Demi Lovato nearly got tattooed 'Leon Nights' parody about the boss Leon, sung by X Factor NZ winner Jackie Thomas How cute are these celebs when they were babies? Become a fan of The Edge on Facebook and on Twitter .