For anyone who hasn't seen the diet here it is:

3 DAY DIET
Day 1

Breakfast

2 Bacon and Sausage McMuffins
1 Cup black coffee

Lunch

1 boiled egg 1 slice toast (no butter) water to drink

Dinner

2 Big Mac’s (no fries) Large chocolate milkshake

Day 2

Breakfast

1 Bacon 1 Sausage McMuffin
1 Cup black coffee

Lunch

2 Boiled eggs (No Toast) water to drink

Dinner

2 Quarter pounders with cheese Large vanilla milkshake

Day 3

Breakfast

Full McDonalds breakfast with 2 hash browns
1 Cup black coffee

Lunch

3 Boiled eggs (no butter) water to drink

Dinner

2 McChicken sandwiches (no fries) Large strawberry milkshake
(The only alcohol permitted is Guinness which will act as an iron substitute)

I've been on the 3 day diet for a month now and I've managed to lose almost 20lbs! The trick is to stick with it, the results are amazing.