2012 was an undeniably great year in fashion. As to be expected, the usual suspects, like Rihanna and the Olsen twins, brought their style A game. But we want to take a moment to focus on the new crop of breakout trendsetters of 2012. In just one short year, these five ladies took the fashion world by storm, and they show no signs of slowing down in 2013. From amazing red carpet stunners to some stellar street style looks, click through to see our favorite breakout style stars of the year.