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Then & Now - 'American Idol' Winners & Runner-Ups

Kelly Clarkson
American Idol Season: Season 1 winner

Albums Sold: Clarkson has sold over 25 million albums and 45 million singles worldwide.

Post Idol career highlight: Idol's first season winner is one of the show's greatest success stories, and she's got three Grammys to prove it. She also currently holds the record for most nominations for Best Pop Vocal Album and Best Pop Solo Performance.