Meet the "American Idol" Guest Judges
- Photo: Sara De Boer/Retna Ltd.8 of 10
Guest Judge: Avril Lavigne
Qualifications: Eat this, Beyonce: For a time, Avril Lavigne had the second most viewed YouTube video of all time with "Girlfriend."
What she brings to the judges' table: A keen sense of how to sell "edgy" to a mainstream audience.