Dude,

If I can offer my 2cents. Fatloss via low calorie restriction is never a good way to start. Take it from a guy who used to be 120kg. You will lose weight fast for the first 3months but will stall greatly afterwards. Yes there is such a thing where the body gets used to low calorie restriction in order to preserve fat.

Since the damage has been done, my suggestion is to go find out what is your maintenance calories and run with those calories for a week or two to see whether there are changes in your weight or not. If no, great then you try dropping your calories between 200kcal - 500kcal and monitor again. I suggest start with 200kcal.

Don't starve yourself man. You should only reserve this part when you have exhausted all options. Start exercising but stop all this 7mins workout from home bullshit. Get your ass to the gym, lift weights, do cardio or any type of proper exercises for at least 45mins to 1hour. Even 45mins walking on a incline treadmill is a good start for you.

Keep going man and good luck on your big day!