The Hannah Montana star gets spunky during her Good Morning America performance in N.Y.C. Plus: Jennifer Garner, Lindsay & Samantha, Pete & Ashlee and more

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RAISING THE BAR

A glittering Taylor Swift rises to the occasion while performing Wednesday at the Country Thunder USA music festival at Shadow Hill Ranch in Twin Lakes, Wis. Carrie Underwood, Jessica Simpson and Sara Evans are also performing at the four-day event.