Oscar frocks are worth, let's face it, about a hundredth of the attention they receive. But when dressing up is what an event is all about then it's key to have as sublime a vision as Reese Witherspoon in her black lace Valentino gown. A dress on its own can be exquisite, but the perfect design moment comes when the dress is inhabited, and well. A flirty-quirky mix of lace and beading, the Valentino's cap sleeves and low lying square neckline not only reflected Ms W.'s own naughty sweetheart persona, it showed off her clavicle bones to perfection.