More recently, Simon revealed that his relationship with Danni Minogue with former fellow X Factor judge had been more than just professional.
Danni and Simon's brief union in 2007 was revealed in his biography Sweet Revenge: The Intimate Life of Simon Cowell.
"It was Danni's hair, the sexy clothes. I was like a schoolboy," he reportedly said. "She was foxy. She was a real man's girl. Very feminine. It was genuine love."
Pint-sized beauty Dannii admitted that she'd been hurt by the fling. "He's been amazing and taught me so much. I have so much to be thankful to him for," she told The Sun. "But sometimes your friends can hurt you. I don't think he's bad. I just think he's batty as anything."