The singer returns to her workout routine in London. Plus: Kate Bosworth, Michelle Williams and more

  • ZOOTOPIA photo | Joel Madden, Nicole Richie

Credit: Carlos Costas/Pacific coast news

Published: Tuesday May 01, 2007 | 05:15 PM EDT

ZOOTOPIA

The day after partying at the Australian MTV Video Music Awards, Nicole Richie and Joel Madden take in the wild sights at Sydney's Taronga Park Zoo on Monday.