Cartoonish preppy style, with its ironic bow-ties, nerdy glasses and tweeds might not mean much to you these days other than giving you a reminder of most of the male cast of Glee or badly styled TV presenters. The original preppy look though, encapsulated by swanky American uni's Harvard, Yale, Princeton and their well-dressed undergrads, was and still is influential. Preppy is a good look to tap into as we head into spring. Why? To put it simply, it just looks smart in a smooth, casual way that says 'I got this'. Here are our 10 icons who top the preppy class.