Paula Abdul Officially Join As Judges

Paula Abdul will reunite with Simon Cowell on "The X Factor." 

   Sources tells that Abdul's deal is finally done for her to join Cowell and previously announced judges Cheryl Cole and Antonio "L.A." Reid on the highly-anticipated singing competition, which begins taping its judges rounds on Sunday in Los Angeles and will debut on Fox in September.

   As late as Saturday afternoon, it was unclear whether negotiations between the ex-"American Idol" judge and "X Factor" producers would result in a signed contract before Abdul was scheduled to report for duty on Sunday. THR first reported Friday that talks were taking much longer than planned. One issue, according to sources, was an option that CBS had on Abdul based on a deal for her to participate in the short-lived CBS competition show "Live to Dance." 

   That deal, according to two sources close to "X Factor," contained language that could have prevented Abdul from joining the new show.