When Joss Whedon set out to make Buffy the Vampire Slayer, he envisioned a TV series about the sort of teenage girl you'd usually find killed off in the opening act of a horror movie actually kicking ass, a tradition which You're Next - shot in 2011 but released in 2013 - takes to the next level. Which is another way of saying: female roles in horror movies have come a long way, and You're Next is definitive proof of that. A meta-horror flick in every sense, You're Next begins like any other horror movie about a home invasion; a surprise attack, followed by the first death. But it's soon after this that You're Next cleverly subverts our expectations; it turns out that the movie's female lead is actually a survival expert, and spends the next hour socking it to her vastly inferior antagonists. As an advancement of horror movie cliche, this is defining stuff.