The auditions for upcoming season 10 will be kicked off in September. This time requires a full panel of judges.
According to reports, Ellen DeGeneres announced she was saying goodbye to American Idol, two-season American Idol judge Kara DioGuardi was axed from the show. Jessica Simpson and Steven Tyler were also rumored to be new judges.
American television network Fox kicked off their press tour at the Beverly Hilton Hotel to unveil the fall schedule of American Idol without little clarity on the future of the "American Idol" judging panel. Peter Rice, Chairman of Entertainment, kicked off with imminent departure of Ellen DeGeneres, and then talked about the program. The show encountered some incidents. Several live “Idol” appearances have been cancelled. However, any replacements have been mentioned.
Peter Rice said that they were planning to settle on judges prior to launching promotional campaign. President of Entertainment Kevin Reilly added by hinting to a 10-year massive celebration.

No word yet on who will be replacing the 'American Idol' judges panel
Therefore, there were no words to prove whether Jennifer Lopez signed the deal and joined the judge panel and no confirmation of the claims about Aerosmith singer Steven Tyler taking Simon Cowell's place.
Entertainment Weekly reported that Peter Rice’s saying that he could not provide an update on the upcoming negotiations with potential Idol judges. As for rumors about Jennifer Lopez, Dio Guardi, and Tyler, much of information which had been written was said to be accurate but some widely inaccurate.

Who will replace "American Idol" judges Simon Cowell and Ellen DeGeneres?
And now after stops in Nashville, Milwaukee, and New Orleans, American Idol auditions continues in New Jersey without the judges.

Peter Rice is all too aware of the Idol fascination with who will be American Idol's new judges.

Finalist Adam Lambert and Kris Allen appeared on stage.

Jennifer Lopez has been rumored to join judge panel
Related links:
American Idol 2011: venues, lower eligibility, new judge updates
American Idol judge panel undergoing overhaul
American Idol Can Lead to Amazing Profits!
Rumors about 'American Idol' judge panel continues