Christopher Polk/Getty Images; Kevork Djansezian/Getty ImagesThe polls are closed, fashionistas!
Taking worst dressed last week was tennis ace Serena Williams, whose skin show at the ESPY Awards was a major fashion fault. Keep those assets a little more covered, hon.
Meanwhile, Catherine, the Duchess of Cambridge, handily took best dressed in her elegant, flowy Alexander McQueen gown at her first major Hollywood red carpet event. The royal's amazing fashion run hasn't let up yet. Keep it up, Kate!