Spears has a laugh on The X Factor's Hollywood stage. Plus: Pippa Middleton, Daniel Craig, Sarah Hyland and more
Credit: Noel Vasquez/Getty
Updated: Thursday Nov 08, 2012 | 06:00 AM EST
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Talk about an arm party! Nashville star Hayden Panettiere gives host Mario Lopez a friendly embrace on the Los Angeles set of Extra on Wednesday.
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