Justin Timberlake has topped GQ magazine's list of the 10 Most Stylish Men in America. The singer, 28, credits his natty sense of style to his stepfather, banker Paul Harless. This week, the singer will show his clothing line, William Rast, that he and friend Trace Ayala launched in 2006 at New York Fashion Week for the second time. Other honorees include music producer Mark Ronson, rappers Kanye West and T.I. and actor Jason Schwartzman. (Photo: WENN)