Dan Monick/Marie Claire
The cover girl is opening up about her sporty side, which came alive when she starred as a cheerleader on the hit football drama Friday Night Lights.
"I played in a girls' powder-puff game during the FNL days," Kelly admits. "I was the quarterback. The ball was snapped to me, and I jammed my finger! I think I'm a pretty tough girl—I like to get down and dirty. But I was like, ‘Man, I jammed my finger just catching the ball?' I didn't tell anyone and played through it."