Avril Lavigne and Katy Perry Guest Judge on American Idol

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Last night, American Idol aired and singers Avril Lavigne and Katy Perry were there to help guest judge for the Los Angeles auditions. Both girls seemed to make sure they were brutally honest, and didn’t play any games, but Katy seemed a little bit catty towards Kara DioGuardi, making several nasty comments throughout the day.

Anyways, some of the auditions were absolutely insane. Check out a few of them below: