Roberto Cavalli Serpentine Where Can I Buy A Dress That Looks Like The Purple Dress (Roberto Cavalli) Vesper Wears In Casino Royale?

Where can i buy a dress that looks like the purple dress (Roberto Cavalli) Vesper wears in casino royale? - roberto cavalli serpentine

This is a dress from Roberto Cavalli Halter Style Eggplant / Purple Dress.