Simon Cowell has hinted that Robbie Williams may appear on 'The X Factor' this Saturday.
According to Digital Spy, Cowell said: "I would love Robbie to be there on Saturday night. And it's never too late."
"He's still one of the biggest stars in the world. He's great," he said.
"You might be surprised on Saturday, I wouldn't go along with everything you read."
Previous reports had suggested that Rihanna, Westlife and Boyzone would be appearing on the show.
