Your wedding day lingerie has to be functional. Pretty is a bonus.

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You've selected your bridal gown, veil, shoes and jewelry with painstaking care. You haven't put this much thought into an outfit since senior prom -- or your first day of work at your first real job.

Those of you who think you've got the whole ensemble covered should think again, though. What goes underneath your gown is important, too. Maybe it's not the prettiest lingerie, but it will be some of the most functional if you want your gown to look its best. Sure, no one will be peeking at your undergarments (except for the garter, if you count that), but since they lay the foundation for your entire look, it's wise to carefully consider your lingerie needs.

Keep reading to learn more about the various underthings that should be on the checklist of every bride who wishes to radiate class and beauty quite literally from the inside out.