While necklace fashion trends often come and go, the timeless appeal of halo-style pendants will always remain. A classic choice that exudes elegance and glamour, halo necklaces are still as popular as ever, second only to the solitaire pendant. Decade after decade, halo necklaces can be seen worn by celebrities, so you won't ever have to worry about your beautifully dazzling halo necklace going out of style.