Who wields most influence on contestants' picks?

Justin Bieber finishes high school, "The Avengers" will have a sequel, and 'American Idol"'s season-ending superstar.

Skylar says goodbye… and then there were 4!

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http://www.IdolRings.com David Archuleta performs "When You Believe" by Mariah Carey during the Final Seven American Idol Episode on April 15th 2008.

AP

Seven years removed from winning 'American Idol,' Carrie Underwood is now a country music mega-star. She talks about her new album and the character she presents to the world while keeping her ...

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May 10: Jennifer Lopez talks about who she's rooting for on "American Idol" and explains her comment saying contestant Joshua Ledet was the best performer.

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We recap "American Idol," "Survivor: One World," "Modern Family" and "Around the World in 80 Plates."

AP

Haley Reinhart, who finished third last year on 'American Idol,' talks about her first album and appearing this summer at Lollapalooza. (May 7)