If you are looking to TONE UP and shed some weight for your wedding and do not know where to start- here is what I did. I am now feeling better than ever (feels like an infomercial here lol) and I am in the best shape of my life, Oh and it only took me 2 months to get to this point 
You can do it too!!!. I have 2 months until my wedding day to focus on the last finishing touches.
Diet- A clean eating diet. My fiance and I did the Advocare 10 day cleanse. On the cleanse I lost about 6 lbs that stayed off. This is a great way to kick off your new lifestyle! Just skip what you read about the 24 day challenge, it is not worth your money. You can get the same results but continuing a clean eating diet after the 10 day cleanse. Beware of your friends who "work for Advocare" and recommend you all kinds of extras that you do not need- save the money for your wedding! Instead purchase some fish oil supplements, CLA, Carnitine Core, and a multivitamin. I would also recommend highly the Concord Grape Amino Energy drink mix from ON to take before your workouts. (you need the amino acids and the energy- win win!!!) All of the things I mentioned we have been purchasing from Bodybuilding.com. They seem to have the best prices and they ship super fast. I ordered more stuff this Monday at 3 PM and got them Tuesday Morning (that is crazy drone fast!)
The Exercise- Do not think for one second that any diet is going to make you look good for your wedding. You need to tone up and the only way you can do that is with exercise. Pair that with the clean eating diet above and you are on the right track. Think about those brides you have seen with the beautifully toned arms ,shoulders, and back. That's what I am getting at here. You can have all that- if you are willing to work hard. I have been doing the Bridalicious Bootcamp DVD's from Doug Rice Fitness and these workouts are no joke! Honest to god the best workouts I have ever done. Follow the calendar that they allow you to download with your purchase to a T and you will find success. And the workouts will be completely relevant to your goals- to look awesome on your wedding day, and to look amazing on your honeymoon. AND he will remind you of this. You do the workouts every other day (a day of rest is required) and you can do the workouts in under 45 minutes. I do mine every other morning before work. Sometimes I sneak in an extra Honeymoon Abs workout because its quick and I can- I just really want some nice abs for my honeymoon!!!! Ok, so buy this. ASAP! Stop wasting time.
Ok, that was a lot to say- but I just had to share my success with everyone because I know you can do it too. I was the kind of person who used to be active and athletic, but then got mostly lazy and slightly overweight. I also love food and was eating like a pig. I now feel excellent. Less headaches. Less attitude. Happier. More energy. This all pairs SO nicely with our wedding that is approaching.
My fiance is doing the diet too- (in the 8 years we have been together he has never stuck to a diet like this) and he looks and feels amazing! He has been going to a gym that has a cross-fit-like program. Loves it. It is obvious to me that he is happier, and less stressed.