Leelee Sobieski has been looking dang chic over the last few days at the Tribeca Film Festival. How pretty and simple are these looks? No frills, just class. So why not wear our pencil skirts with a great, loose-fitting t? We know we're going to try it out. And isn't the simplicity of the Jil Sander white dress amazing? We think we'll have to vote for her in Vogue's 10 best dressed this week....