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Stars' Sporty Styles!

From the Kardashian sisters to Audrina Patridge, see how celebs are staying athletic-chic for their workouts

KHLOE, KOURTNEY & KIM KARDASHIAN

Reality TV's sweetest sisters keep fitness in the family as they get in a little exercise on the Santa Barbara boardwalk – in typical Kardashian style. Kim and Khloe worked in some aerobic activity by rollerblading, while ready-to-pop Kourtney walked alongside her sisters. And squeezing in some safe exercises are a smart move for the expectant star: Recent studies show that maintaining a healthy weight while pregnant is great for moms and their unborn babies, according to Health.com.