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 Kevin Federline welcomes sixth child Nude Demi Lovato pics have leaked online! James Arthur 'Dropped by Simon Cowell's record label' Become a fan of The Edge on Facebook and on Twitter .