IMG_9641.jpgHayden Panettiere IMG_5819.jpgThat's what her workout buddy seems to think (or at least that's what his shirt says)! We caught the Heroes hottie lookin' especially fine in her gym clothes... and no, that's not a ciggie in her hand, it's a pen. Hayden's a good girl (so far), people! And it looks like she's getting her already toned body in even better shape!