ADELE has had her fans in awe at her impressive 7-stone weight loss.
And many, who are desperate to follow in her footsteps, have been left asking exactly how the megastar, 31, managed to slim down.
The Sirtfood Diet encourages slimmers to eat plant foods such as kale and buckweat.
These foods, known as sirtuin activators, suppress appetite and activate the body's "skinny gene".
Sirtuin activators are also believed to protect cells in the body from dying under stress and meant to regulate inflammation, metabolism and the ageing process.
The Sirtfood Diet allows slimmers to eat dark chocolate and drink red wine, as they are high in sirtuins.
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This plant-based diet is a big hit with celebrities.
Not only has Adele used the diet, but Pippa Middleton also follows the Sirtfood Diet.
They are joined by chef Lorraine Pascale and Jodie Kidd.
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At the start of the diet, you're supposed to restrict yourself to just 1,000 calories a day for three days straight.
On days four through seven, you can eat 1,500 calories.
There is a great seven-day plan that you can follow, if you fancy trying out the diet.
We have everything you need right here in this Sirtfood Diet plan.
In there you'll find ingredients plus what you need to do to prepare your daily breakfast, lunch, dinner and snacks.
More here:
What is the Sirtfood Diet? How Adele slimmed down and lost 7-stone - The Sun
