'It's about whether she wants to do it and whether she can handle the pressure, so I'm not quite sure yet [if she will come back].'
However, it seems the X Factor creator has some work to do if he is to convince the 30-year-old beauty to return to the panel alongside him.
He added: 'She had her poker face on.'
Simon went on to compliment the songstress, with whom he has had a contentious relationship after she was axed from the US version of The X Factor in 2011.
He should make a panel with Louis, some random female and Amelle (I always thought she was B*tchy enough to pull soemthing like that off, like a sort of Mel B, Ex-Sugababes), Cheryl should decline.