The singer muscles her way through London after a visit to the gym. Plus: Reese & Jake, Jennifer Lopez, Gwen Stefani and more
Published: Monday Mar 31, 2008 | 04:00 PM EDT
More from PEOPLE
- Medical Mystery, Part One: Three Families Want to Know – What's Wrong with My Child?
- The Style Top 5: Amal Clooney Brings Her Glam Street Style to NYC, Iggy Azalea Gets Candid About Her Body and More
- Justin Bieber Sued By Toronto Uber Driver for Alleged 2013 Assault
- Mom Whose Inspirational Bikini Photo Went Viral: 'I Hope Other Women Pick Up That Torch and Run With It'
- Mom Claims Her Special Needs Son Was Forced to Remove Varsity Letter After a Parent Complained