Strong performances and compelling back stories helped send the new season of Seven's talent show The X Factor to the top of last night's ratings.
The X Factor's season premiere had an OzTAM overnight preliminary audience of 1.598 million viewers nationally, while in Perth it attracted 227,000 viewers to tie with Seven News at the top.
Last week's top rating show, Nine's Underbelly: Badness, dropped back to fourth place nationally with 1.233 million viewers, a drop of half a million from its premiere.
Nine split its first Big Brother live nominations program in two with the main show attracting 1.213 million viewers to finish sixth and the live nominations part attracting 1.18 million to finish seventh. In Perth the shows came in at 11th and 13th.
Seven's new US comedy drama GCB ranked 11th with 873,000 viewers nationally and sixth in Perth with 141,000, ahead of Underbelly in ninth place with 124,000.
The resurgence of soapie Home and Away continued with 1.109 million viewers tuning in nationally to rank ninth and 171,000 in Perth to place fourth.
Ten's bad luck continued with the Kate Ritchie-hosted Don't Tell The Bride coming in 21st with 585,000 viewers, behind ABC programs such as Australian Story and Q&A. The new look Can of Worms hosted by Chrissie Swan finished in 20th spot with 590,000 viewers.
The X Factor continues tonight on Seven/GWN at 7.30, featuring an audition by 23-year-old Rockingham musician Matt Gresham.