Stars & Their Mini Workout Partners

From Hugh Jackman's running mate Ava to Gisele Bündchen's fellow yogi Vivian, see how these celebs and their kids are shaping up for summer

BIKING

The family that bikes together, stays together! Pink and hubby Carey Hart get their wheels spinning – with 2-year-old daughter Willow in tow – on June 9 in Venice Beach, Calif.