I really feel shamed after reading your thread. Im first time mum dd is 6 months, i i used to be size 10-12 and now im size 16. I put weight on last 2 months of my pregnancy and i haven`t had a hair cut for over 8 months, i have never been manicure or pedicure.
For me you sound really great, you just need self confidence, If im like this with one baby, what will it be like with 4. Im really really think you are doing great and you only need some nice finishing touch, haircut, new wwardrobe, and put your head up.
Good luck