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A Taylor Swift-Jennifer Lopez duet is reportedly in the works.  According to Us Weekly, JLo recruited the country star to record a song for her upcoming album after joining her on stage when her "Red" tour stopped in Los Angeles last month.  A source tells the magazine that Taylor and Jennifer are both "huge fans of each other" and "excited to work together." 

The two expressed their mutual admiration after the performing "Jenny On The Block" together at the Staples Center.  The Latin superstar tweeted that she "had so much fun" singing with 23-year-old Taylor.  Taylor also tweeted after the show, writing that she was "still fan-girling out about it."  

Lopez has been confirmed as a judge on the upcoming season of "American Idol," and her eighth studio album is expected out early next year.