A handy guide to accessorizing for your big day. How to wear pearls classy Here’s some help with which length necklace works best with your bridal gown's neckline. Please keep in mind that it’s not a hard and fast rule, you can get away with a lot depending on the look that you’re after. Strapless This is an extremely versatile neckline. Keep the length under 19" so you don't crowd the neckline. Perfect choices are the collar, choker and princess necklace. Sweetheart A sweetheart neckline…