Popsugar Fitness Celebrity Fitness Fitness Tips From Celebrities 10 Celeb Tips and Tricks to Inspire Your Workout January 15, 2014 by Leta Shy View On One Page Photo 8 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Hayden Panettiere On not pushing yourself too hard: "I used to run an hour every day. It was too much for me, and my body shut down. So now I don't push it over the top." Previous Next Start Slideshow Hayden PanettiereJennifer LopezBeyoncé KnowlesCelebrity FitnessFitness Motivation