Where can I get Jessica Simpson’s leopard purse, black dress and necklace that she wore in her ad campaign?

48jessica_simpson_collection_photoshoot__fall_2009Dress – Jessica Simpson Black Taffeta Lace Trim Dress

Necklace – Jessica Simpson Jewel Disc Necklace in Worn Gold Metal

Purse – Jessica Simpson Downtown Satchel in Leopard Coated Canvas