Underwood hits the high notes at a country music festival in London. Plus: Zac Efron, the Garner-Afflecks, Fergie & Josh Duhamel and more
Published: Monday Mar 18, 2013 | 05:00 PM EDT
More from PEOPLE
- VIDEO: See Joanna Krupa's Egg-Retrieval Procedure
- The Style Top 5: The Best Star Style From the PEOPLE Magazine Awards
- It's Another Girl for Dax Shepard and Kristen Bell!
- Which Former Boy Band Member Will Compete on The Amazing Race?
- Kim Kardashian Wore Fur-Lined Strappy Stilettos, and Yes, There are Photos