Underwood hits the high notes at a country music festival in London. Plus: Zac Efron, the Garner-Afflecks, Fergie & Josh Duhamel and more
Credit: Splash News Online
Published: Monday Mar 18, 2013 | 05:00 PM EDT
More from PEOPLE
- Is Josh and Anna Duggar's Fourth Child a Boy or Girl? Find Out!
- Clingy Tortoise Stalks Pit Bull Crush All Over the Yard (VIDEO)
- The Walking Dead Recap: Meet Deanna Monroe
- Read the Cover Story: Meet Kelly Clarkson's Baby Girl!