Harry Styles celebrates his 23rd birthday today, which is weird, because he's already popped up in more on-point outfits than a stylish man twice that age. It's true he experimented with onesies and red chinos at the start of his post-X Factor journey, but now he's emerged into his early twenties as one of Britain's best-dressed men. Take a look at Mr. Styles' style evolution over the past couple of years.