Simon Cowell claims he and Louis Tomlinson saw a ghost while filming 'The X Factor'

Simon Cowell at the 'haunted' Château de Môh

Simon Cowell at the 'haunted' Château de Môh

The 56-year-old music mogul and the One Direction star reportedly saw a pale figure creep past a window during contestant Anton Stephans' performance at Simon's Judges' Houses at Château de Môh in France's Loire Valley.

According to the Daily Mirror newspaper TV monitors kept switching on and off and a locked window opened and scared the crew.

Simon jokingly said at the time: "It's a ghost."

And after the spooky experience, he added: "I know it's haunted. I saw it."

Cowell - whose girlfriend Lauren Silverman refused to stay in the house on her own - claimed it's not the first time he's been visited by spirits.

He shared: "I did have a ghost in my house once and I do think it was a friendly ghost. No one has ever asked me before.

"I was living in a house and the bedroom door was open and every night you would hear 'knock knock' as loud as that.

"I was thinking, 'There has to be a reason', but there wasn't so I am convinced it was a ghost. I couldn't explain that."

Meanwhile, 'Xtra Factor' host Rochelle Humes is said to have asked her make-up artist to sleep in the same bed as her during their trip to the spooky mansion as she was so scared of being visited by a ghost in the middle of the night.