United Kingdom, May 8 -- Simon Cowell turned down $150,000 to judge a couple's sex life.

The 65-year-old music mogul was enjoying a meal in a restaurant when some fans came to compliment his work, and he was left stunned when the encounter took a bizarre turn with an outrageous request.

Speaking on the 'How To Fail with Elizabeth Day' podcast, he said: "I was in a restaurant and this guy comes up to me, and he said, 'I love your show.'

"Thank you very much. 'Will you take a picture?' Sure. 'This is my wife.' Nice to meet you.

"'Would you judge us having sex?'

"I'm like, 'Are you winding me up?' They went, 'No. We'll pat you.'

"It was a lot of money. I thought, 'Do I? No, I just can't do it.'

"It was 150 grand.

"It was just so biza...