Avril Lavigne To Join American Idol!

Avril Lavigne is the latest superstar to be added to the long list of guest celebrity judges for the ninth season of FOX's hit reality competition American Idol. Lavigne, along with pop phenom Katy Perry will each spend one day critiquing aspiring singers when the show films its callback audition episode in Los Angeles, according to Entertainment Weekly. Other guest judges scheduled to appear on the show this season include Victoria Beckham, Mary J. Blige, Neil Patrick Harris, Shania Twain, Kristin Chenoweth, and Joe Jonas. Think Avril will be a huge b*tch or will she play more of a sweetheart role? We could totally see her buddying up with Simon!