18. Jennifer Lawrence
It was a wild 12 months for Jennifer Lawrence with the March release of The Hunger Games catapulting her into the spotlight. The movie shattered records at the box office after Jennifer's worldwide press tour, which helped her show off her stylish side with multiple red carpet appearances. On the personal front, Jennifer's relationship with her X-Men: First Class costar Nicholas Hoult stayed steady as the couple traveled to London and Monaco when they weren't hanging out in LA.