Drew Barrymore as Cinderella? What a perfect fit for an update, like when Alicia Silverstone did a 1995 modern-dress version of Jane Austen's Emma in Clueless. But wait. Ever After doesn't step a toe out of the sixteenth century. Director Andy Tennant shot the film in France, with fairy-tale costumes by Jenny Beavan. Luckily, Barrymore is not the kind of actress who'd settle for a musty retread. The last time she and Tennant worked together, she was a hellcat Lolita in his TV version of The Amy…