I'm Vegan.
I've been Vegan in the past, but after an abusive relationship breakdown, I 'woke up' and decided to lose the five stone that I'd put on. I decided that going Vegan was the way to go (I'd also entered Peri-Menopause and its recommended for symptoms).
I don't believe in the 'Juicing' type diets/kickstarts. Just eat Vegatables, they fill you up and finding creative ways of cooking, makes you appreciate food, again.
I also exercised, I had loads of energy I needed to use, more than when I was in my 30's.
I used My Fitness Pal, but set mine to ignore Sugar, because I was eating fruit.
When I felt like a 'treat night', usually when watching a film with my youngest DD, I counted in my calories from excercise, so it would give me 1700-2000, but I ate chopped Pepper with Humous, had banana/Kiwi/Fresh Pinapple (and Wine).
I still lost 2lb a week, started in Febuary and was down to nearly where I wanted to be, in October.
I found I loved weights and being stronger.
If you want recipes, check out 'One Green Planet' and you'll have a local FB page for the " (Your City)....Vegetarian and Vegan group".
I focus on health, as well as body size, to keep yourself motivated. If you cut out processed foods and go towards a plant based diet, you'll see and feel the difference.