Actress Natalie Portman's stylist Kate Young has been named the most powerful fashion fixture in the entertainment business. Bosses at The Hollywood Reporter have compiled a list of the top 25 most influential stylists and Young tops the list for 2012. Also landing a mention: Leslie Fremar, whose clients include Charlize Theron and Reese Witherspoon, and Petra Flannery, who dresses Mila Kunis and Megan Fox.