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
- Sharon Osbourne Taking One-Month Break from The Talk After Collapsing
- Read the Cover Story – Tess Holliday: The World's First Size 22 Supermodel!
- Robert De Niro Gives Blunt, Funny, Inspiring Commencement Speech to Acting School Grads
- Chris Pratt Apologizes in Advance for Potential 'JurassicGate' and Misbehaving on Press Tour
- Kris Jenner Tries to Embarrass Daughters Kourtney and Kim Kardashian with a Throwback Pic of Their Model Poses