TV TATTLE
Kelly Clarkson helped honor Simon Cowell at his Hollywood Walk of Fame star ceremony
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American Idol alums Adam Lambert and Katharine McPhee, as well as Cowell's America's Got Talent judging panel, were also on hand for today's Hollywood Blvd ceremony.
TOPICS: Simon Cowell, American Idol, America's Got Talent, Kelly Clarkson, Hollywood Walk of Fame
