From his pony-hawk to his flatiron do, rewind to see the American Idol singer's many tress-formations. By Melissa Liebling-Goldberg
Updated: Monday Nov 26, 2007 | 06:00 AM EST
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Sanjaya (on Feb. 20) evoked Shaun Cassidy's 1970s do as he took on Stevie Wonder's "Knocks Me Off My Feet." Unfortunately, the judges weren't knocked off theirs.
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