Jordin Sparks is keen to replace Katy Perry on ‘American Idol’. The 39-year-old pop star recently announced that she plans to quit the show after season 22 of ‘American Idol’, and Jordin has already taken to social media to put her name forward as Katy’s potential successor. Jordin, 34 – who won ‘American Idol’ back in 2007 and has subsequently become one of the show’s most successful contestants – wrote on X: “Oh hiiii @AmericanIdol —I hear a seat opened up at the judges table! I’m putting my name in the hat! [waving emoji] (sic)” Jordin put her name forward after Katy announced her ‘American…