Ellen DeGeneres Is Leaving American Idol (Update: And Being Replaced by J-Lo?) 4.42K Adrian Chen 07/29/10 07:58PM Filed to: American Idol American Idol Ellen Degeneres Jennifer Lopez Judges Gettypic She's been on just one season, but Ellen DeGeneres is leaving American Idol because it "didn't feel like the right fit for me." She may be replaced by Jennifer Lopez, who is "close to signing a deal." [AP]