Simon Cowell

Judge Simon Cowell poses at "The X Factor" season finale on Dec. 22, 2011, in Los Angeles.

Judges Simon Cowell and Paula Abdul on "The X Factor."

From left, Steve Jones, Nicole Scherzinger, L.A Reid, Paula Abdul, Simon Cowell and Cheryl Cole attend the 2011 Fox Upfront on May 16, 2011, in New York.

British television producer Simon Cowell holds The Founders Award at the at the 2010 International Emmy Awards November 22, 2010 in New York. AFP PHOTO/Stan Honda (Photo credit should read STAN HONDA/AFP/Getty Images) — STAN HONDA/AFP/Getty Images

British television producer Simon Cowell holds The Founders Award at the at the 2010 International Emmy Awards on Nov. 22, 2010, in New York.

Former "Idol" judge Paula Abdul returns to say goodbye to Simon Cowell during the "American Idol" finale at the Nokia Theatre in Los Angeles, May 26, 2010. Cowell left "Idol" after nine seasons, to launch a U.S. version of "The X Factor."

In this undated publicity image released by Fox, "American Idol" judges, from left, Simon Cowell, Ellen DeGeneres, Kara DioGuardi and Randy Jackson are shown.

British television personality Simon Cowell, seen, in his box on the second day of the Royal Ascot horse racing meeting at Ascot, near Windsor, England, on June 17, 2009.

Simon Cowell poses at an "American Idol" celebration of this season's top 12 finalists held at Astra West in West Hollywood, Calif., on March 8, 2007.

A wax figure of Simon Cowell is on display at the unveiling of the interactive "American Idol" attraction at the Venetian Resort Hotel Casino in Las Vegas on Jan. 16, 2007.

From left, Simon Cowell, Elton John, Liam Mower, Sharon Osbourne and Louis Walsh appear on stage for the curtain call of the charity gala performance of "Billy Elliott: The Musical" in aid of the Easington branch of children's charity The Place2Be at Victoria Palace Theatre in London on Nov. 22, 2006.

"American Idol" judge Simon Cowell and Terri Seymour arrive at the "American Idol" Season 5 finale in Los Angeles on May 24, 2006.

"American Idol" judges Simon Cowell, left, and Randy Jackson clown around at the Fox UpFront in New York on May 18, 2006.

Simon Cowell hugs Cosmopolitan magazine's Senior Vice President and Publishing Director Donna Kalajian Lagani, as he holds an award during the magazine's Fun Fearless Male of the Year for 2005 Awards luncheon in New York on Feb. 7, 2005.

Simon Cowell arrives at the Episcopal Church of Bethesda by the Sea in West Palm Beach, Fla., where Donald Trump and Melania Knauss were married on Jan. 22, 2005.

From left, Simon Cowell, Paula Abdul and Randy Jackson judge an "American Idol" contestant on Sept. 28, 2005, during the show's fifth season.

"American Idol" judge Simon Cowell appears at Barnes & Noble Booksellers in New York on Dec. 3, 2003, to sign copies of his book "I Don't Mean to Be Rude, But...: Backstage Gossip from 'American Idol' and the Secrets That Can Make You a Star."

"American Idol" host Ryan Seacrest and judge Simon Cowell joke around at the Fox Network's TCA Summer Tour Party at the Mondrian Hotel in West Hollywood on July 22, 2002.

Simon Cowell, left, attends the launch of the British TV series of "Pop Idol" at Thames Television in London on July 31, 2003. From left are Cowell, record producer Peter Waterman, host Declan Donnelly, judge Nicki Chapman, host Ant McPartlin and DJ and host Neil Fox. "American Idol" is modeled after the British show.