Matthew McConaughey turns the big 5-0 today, and how did he celebrate? By joining Instagram, of course! Even though the actor has pretty much resigned himself to car commercials and teaching, this husky Texan will always be the adorable Ben from "10 Things I Hate About You." His southern drawl, though, is even more famous than he is these days, and more than a handful of celebs have taken a stab at the "alright, alright, alright" that will go down in history. Vote the best impression to the top!