Dying to know how your favorite celebrities earn their killer bods? Continue reading to find out a few weight loss secrets from stars who have lost weight the right way.

1. Kate Middleton: The Dukan Diet

If you’re wondering how the Duchess stays in good shape, it is the Dukan diet which is her weight loss secret. The diet is a low-carb one with a type of plan linked to fast weight loss. It is all about eating vegetables, some healthy fats, and lean protein. She loves to have smoothies for breakfast, roast dinners, curries, and soups and avoids starch in the evening.

2. Meghan Markle: Eat a spoonful of yogurt before every meal.

The Duchess’ nutritionist has revealed that eating this dairy dish will help blitz body fat by tricking your body into lowering insulin levels and blood sugar spikes. When you begin a meal with protein, you can reduce the insulin and blood sugar spikes that come from releasing carbohydrates into the bloodstream.

3. Laura Norton: Give up Coca Cola

The Emmerdale actress has impressed her fans with her amazing transformation. Her weight loss secret was to give up her favorite fizzy drink- Coca Cola. She used to drink two liters of the beverage daily and giving up on it made her lose almost three stones.

4. Melissa Mccarthy: Ketogenic Diet

The famous Hollywood actress revealed her transformative weight loss secret to be the simple high-protein and low-carb diet. The Keto diet is reported to be effective in burning stubborn belly fat. Her diet included protein-rich foods like chicken-breast, cage-free eggs, wild-caught fish, staying well hydrated and consuming two cups of green tea with every meal.

5. Christina Aguilera: The Fresh Diet

The pop icon looks both healthy and happy after losing nearly 49 pounds. Her weight loss secret was consuming food of 1600 calories per day that was delivered to her via a meal service known as 'The Fresh Diet.' They included combos of protein and good fats such as avocado, turkey bacon blueberries. For lunch, she had salad or vegetables with chicken. And dinner would be chicken of fish, both of which were good sources of protein and healthy fat, combined with vegetables and some rice.

6. Rosie O’Donnell: Gastric sleeve surgery

The actress & comedian who almost died from a heart attack in 2012 struggled with weight issues most of her life. She then opted for weight loss surgery known as sleeve gastrectomy which is a laparoscopic procedure that involves removing about 80% of the stomach so that the new stomach is approximately the size and shape of just a banana. The smaller stomach holds less food and leads to weight loss.

Christina Aguilera Christina Aguilera’s received a resounding applause following her Whitney Houston tribute at the 2017 AMAs on Sunday. Pictured: Aguilera performs onstage during the Breakthrough Prize Awards Ceremony Hosted By Seth MacFarlane at NASA Ames Research Center on Nov. 9, 2014 in Mountain View, California. Photo: Steve Jennings/Getty Images for Breakthrough Prize