Thank you all for your wonderful suggestions!! Luna's back is now mat free... her belly, neck, and part of her legs are still matted. It took me forever to take the mats off her back and when I started to work on her belly she seemed to be in pain, so I stopped. I guess they are more sensitive in their belly area because when I tried getting her mats off her back she really didn't mind.
I'm going to try and work with her belly today, hopefully it won't hurt her too much. I think we're going to take her to the groomers tomorrow or thursday, so if I can't get them out today, I'm sure the groomer will have a load of fun with the mats. hehe!!
BTW, what I used was dog conditioner, water in a spray bottle, and a fine comb (like the flea comb). After soaking the mats individually, I would slowly try taking them out with the comb, of course holding tight to the hair in between the body and the mat so that I don't yank them out and hurt her.
I have definately learned a lesson here, COMB YOUR DOG'S HAIR EVERYDAY MELISSA!!! lol
Thanks again!!