The 47-year-old is said to be following a strict detox diet called the master cleanse diet - which Beyoncé is also a fan of. It's also thought Demi's spent thousands of pounds on plastic surgery.
Find your perfect diet with our quiz
- Low calorie snacks
- Salt shockers: Hidden salt in everyday foods
- Natural remedies for anxiety
- Healthy cereal: The best and worst cereals revealed
- Best and worst cheeses for your diet: The healthiest cheese on the shelves
- Breads: Best and worst loaves revealed
- Best and worst chocolate bars for your diet
- Yogurts: best and worst for your diet revealed!
- Top natural hay fever remedies