For a luxury item to actually feel like a must-have, it's got to achieve a couple things. It actually has to be useful — to shell out a couple hundred (or thousand) dollars for a single useless item ...

If last season's Burberry girl was a folksy boho princess, this season we met her edgier, sexier little sister. The Cara to last season's Poppy Delevingne, perhaps. So it was fitting that both sisters ...