Rihanna turned down a place on the judging panel of 'The X Factor'

The 'S&M' singer was have loved to accept the offer of a role on the US version of the show by head panellist Simon Cowell, but cannot appear when it launches later this year because of her hectic touring schedule.She told Ryan Seacrest's 102.7 KIIS FM show: "Yes, it's something that I would have loved to do, actually. But our schedule doesn't allow and it's a demanding schedule to be on