Demi Lovato, Paulina Rubio, Kelly Rowland, Simon Cowell

Demi Lovato, from left, Paulina Rubio, Kelly Rowland and Simon Cowell, judges on the FOX series “The X Factor,” take part in a panel discussion on the show during the FOX 2013 Summer TCA press tour at the Beverly Hilton Hotel on Thursday, Aug. 1, 2013 in Beverly Hills, Calif. Cowell said the mostly female judges’ panel for “The X Factor” reflects what he called the “girls’ world” of today’s music business. (Photo by Chris Pizzello/Invision/AP)