Other guests judge, according to wiki??
Audition City Date Audition Venue Guest Fourth Judge
Boston, Massachusetts June 14, 2009 Gillette Stadium Victoria Beckham
Atlanta, Georgia June 18, 2009 Georgia Dome Mary J. Blige
Chicago, Illinois June 22, 2009 United Center Piers Morgan
Arlington, Texas June 26, 2009 Cowboys Stadium Joe Jonas
Los Angeles, California June 30, 2009 Rose Bowl Katy Perry
Orlando, Florida July 9, 2009 Amway Arena
Denver, Colorado July 14, 2009 Invesco Field Victoria Beckham
How true will it be?