Katy Perry is the latest big-name singer who American Idol producers are trying land as a judge.Idol execs “set their sights” on Katy after their bid for Kelly Clarkson went south and she joined The Voice. Sources says the producers are negotiating a deal for Katy to become the anchor judge and are expected to announce she’s joining the ABC reboot this week. Another former Idol star, Jennifer Hudson, will also be joining The Voice
