FUTURE HEADS Amelia Warner in C3se you're woncenng, the ste-eotypcal notior o* movie sta's/actresses oehavirg I *e rght liite madams s actually often accurate. Twenly-four-year-old Liverpudlian Arne a Warner, however, ducks that trend like a bronco with a wasp or ts arse: polite, salf-effacirg,