During the first night of American Idol's Hollywood auditions, Ellen DeGeneres made a great impression on viewers. She's funny and she's fresh.
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This is a shot of Didi Benami from her opening audition in Hollywood. She's definitely someone to keep your eye on.
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After just one night, Ellen DeGeneres seems right at home on the judge's panel. We loved her funny and fresh opening performance.
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Welcome to the world's most popular show, Joe Jonas. The cute singer guest judges an episode of American Idol.
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We love Kristin Chenoweth. She guest judges an episode of American Idol, prior to the season's Hollywood round.
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Victoria Beckham serves as a guest judge on season nine of American Idol. We're not sure what she knows about singing.
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Welcome to American Idol, Neil Patrick Harris. The hilarious actor serves as a season nine guest judge.
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Shania Twain is seated next to the American Idol judges you know and love in this shot from season nine.
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Randy, Simon and Kara are joined by a special guest on season nine: star singer Mary J. Blige.
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Katy Perry joins the American Idol judging table for one episode of season nine. She's seen here.
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Randy, Simon and Kara are seen here during an early stage of season nine. They are joined by guest judge Avril Lavigne.
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Kara DioGuardi is back for her second year as an American Idol judge. What do you think of her performance on the show?
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Kara DioGuardi Biography

New American Idol Judges Kara DioGuardi is a Grammy-nominated songwriter who will be joining the judging table for American Idol's eighth season. DioGuardi grew... More »
Born
Full Name
Kara DioGuardi

Kara DioGuardi Quotes

I have my own style ... I'm honest. And pretty feisty.

Kara DioGuardi

I can be pretty tough at times, and nurturing when I have to be.

Kara DioGuardi