Rhinestone necklaces are all about over-the-top decadence. They achieve the blingtastic look of diamonds—minus the heavy price tag. The one Anne Heche is wearing is too gaudy for our tastes, but we love the edgy layered look of Jessica Biel's bauble and the elegant design of Kate Walsh's version. Keep your outfit simple when rocking the dramatic jewelry and you'll be golden. Shop the steals 'n' splurges below for some fine options!