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Monday motivation: "American Idol" alum on finding a mentor who has experienced the wins and fails
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Justin Guarini Talks American Idol, Broadway & His New Book!
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Justin Guarini Talks American Idol, Broadway & His New Book!
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YouTubeRobert Bannon
Justin Guarini Reveals How Terrified He Was During His First American Idol Performance
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Justin Guarini Says Mentoring Young Artists Is His Post-'American Idol' Legacy
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Justin Guarini on 'Super Kitties,' Dr. Pepper's Lil' Sweet and more
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The Broadway Show: Justin Guarini on ONCE UPON A ONE MORE TIME, Britney Spears and More
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Interview with "American Idol" alum Justin Guarini
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Kelly Clarkson & Justin Guarini - Interview (The Tonight Show with Jay Leno 2003) [HD]
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