Underwood hits the high notes at a country music festival in London. Plus: Zac Efron, the Garner-Afflecks, Fergie & Josh Duhamel and more
Credit: Sellebrity RICK/Splash News Online
Published: Monday Mar 18, 2013 | 05:00 PM EDT
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As luck would have it, Dancing With the Stars hoofer Kellie Pickler brings St. Patrick's Day flavor to the show's set on Sunday, a day before the big season 16 premiere.
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