No pain, no gain! To maintain their supersculpted physiques, celebrities put fitness first. From Jennifer Garner‘s totally toned arms, to Blake Lively‘s 61-pound weight loss post-baby and Jennifer Lopez‘s six-pack abs, here are the pics that prove that for A-listers, working out is worth the work.
Fitness
The Best Pics of Celebrities at the Gym: Jennifer Lopez, Jennifer Garner and More
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