The 53-year-old 'X Factor' and 'Britain's Got Talent' boss heads up Now magazine's Reality TV Rich List with an estimated 225 million pounds, more than ten times second-placed singer Susan Boyle, who is worth 22 million pounds, reported Digital Spy.
One Direction, who bagged the third place on 'The X Factor' UK in 2010, is number three on the list, with a fortune totaling 20 million pounds for each of the five members of the group.
Singer Leona Lewis is at seventh position on the list, with a fortune worth about 12 million pounds. Lewis was the 2006 winner of 'The X Factor' UK.
Alexandra Burke is at number 16 on the list, with a fortune worth about 6.1 million pounds and she was the 2008 winner of the singing reality show.
Other in the list included names like model Katie Price and singer Cheryl Cole at fourth and fifth slot respectively.