Friendship and fitness! How do celebrities like Reese Witherspoon, Cameron Diaz, and Nicole Richie stay in shape? By assuming downward dogs, hitting the pavement, and shedding those pounds -- together! Click through to see more stars and their workout buddies.
Naomi Watts and Reese Witherspoon
Namaste for fitness pals! A-list moms Witherspoon and Watts took a break from their busy schedules to enjoy a yoga class.