Month 12: Relax
You've stretched, strength-trained and cardio'd. Your skin is supple and your hair is glossy. Now all you have to do is make it down that aisle without tripping over your hemline!
By all means, keep up the good habits you've formed over the last twelve months, but don't be afraid to let your hair down, too. Forget about counting wedding cake calories and skip the occasional workout to veg out during what is likely a fairly high stress time.
Above all else, enjoy yourself! This is supposed to be the happiest time of your life, and I've seen enough brides wig out to know that it's not always enjoyed to the fullest. No one's going to remember if your groom's cake isn't perfect or if your hair frizzed out following a sweaty and frenetic rendition of "Shout." They'll just remember you and your husband -- happy, healthy and starting your lives together.