Singers Katy Perry and Avril Lavigne will join the judges' panel on tonight's episode of "American Idol," which features Los Angeles auditions. The one-hour show starts at 8 p.m. on Fox.
Will "Idol" find the next Adam Lambert? Will judge Kara DioGuardi say anything useful? Will Avril Lavigne wear that ugly hoodie during her entire judging stint?
Get the answers to those questions by visiting our "American Idol" blog, updated "live" throughout the show.
Missed an episode of "Idol"? Catch up by watching reporter Sonya Sorich's video recaps, posted twice a week.
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