Global megastar Kim Kardashian has lifted the lid on what exactly she eats to keep her curvaceous figure in tip-top condition. Harpers Bazaar magazine has published an extract from the star's  book Selfish revealing what she dines on each day. Kim has revealed that she changes her food intake every ten days and works with a nutritionist to create meal plans for her and husband Kanye West. She said: 'Kanye loves to eat really healthy and is always on different diets. He has a chef who comes in the morning and cooks breakfast for both of us and gets our meal plans together for the day.' Scroll down for video . In an extract from Kim Kardashian's book Selfish, the star reveals her daily diet, which includes a breakfast of eggs and a healthy lunch of fish with vegetables . A typical day's food for Kim could include scrambled eggs, oatmeal or a protein shake for breakfast. For lunch and dinner, a professional chef will serve her dishes including fish or chicken with vegetables. The reality television star even snacks, saying she enjoys Justin's peanut butter packs and spoonfuls of Dulce de Leche-flavoured Häagen-dazs ice cream. What's off limits? Cocktails and most other desserts. Kim also said that she enjoys sipping on an iced-tea drink in the afternoons, and admits  she might once have had ten sweeteners in there. She's now cut down to just three. It is well known that 34-year-old Kim works hard on her body, especially since she slimmed down after giving birth to her daughter North West nearly two years ago. Kim and her husband Kanye work with a nutritionist who comes up with a meal plan for the pair of them . As well as maintaining her strict diet, Kim reveals that she works out every morning. Often she will start with a run around her LA home before working on her legs or abs. Of course, Kim isn't the only celebrity to work hard and train hard for her body. Beyonce previously revealed that she had undertaken a gruelling 'cleanse' whilst getting ready for a film. And Gwyneth Paltrow only eats 'good' food after discovering that she suffered from allergies and was feeling low in energy. Here's how the stars stay in shape... Beyonce and husband Jay Z slimmed down at the end of 2013 after following a vegan diet for 22 days . Beyonce and Jay Z: 22 Days Vegan . In a perfect display of couple slimming, Beyonce and Jay Z dropped the pounds together at the end of 2013 by going vegan for 22 days. The singer used her Instagram account to post pictures of her healthy-looking meals which included such delights as vegan mac and cheese and portobello mushrooms. The 22-day challenge wasn't the first time the star has shared her meal plans. Before filming Dreamgirls in 2006, it was revealed that Beyonce, who once called herself 'a natural fat person, just dying to get out,' had undergone a master cleanse. Healthy meals galore! Beyonce shared her delicious-looking vegan diet snaps with her followers . During Beyonce and Jay Z's vegan diet,  the singers posted pictures of their meals, which included mac'n'cheese and portobello mushrooms to Beyonce's Instagram account . The singer lost a total of 20lbs drinking a concoction of purified water, organic lemon juice, maple syrup and cayenne pepper. She allowed herself just one cheat day a week where she would eat pizza and drink wine. In the past, the world-famous star has admitted to cutting back to stay in shape. During an interview with Bang magazine, the 33-year-old was said to have eaten just six slices of tomato and four pieces of cucumber for her lunch. The singer said of her meagre lunch: 'I have to. Photos make you fatter, television adds pounds, and discipline is very important in this profession. I am not naturally skinny. I am a real woman, I've got curves.' The Queen of discipline: Madonna maintains her slim figure with a macrobiotic diet which means she cannot eat wheat, eggs, meat or diary . Madonna: Macrobiotic . Madonna has made little secret of her strict macrobiotic diet in which she cannot eat wheat, eggs, meats or dairy. Meals for Madonna, 56, could mean miso soup and brown rice for breakfast, or tofu cheese and quinoa salad for lunch. It is also thought that the singer abstains from alcohol and caffeine and drinks up to three litres of water a day. Madonna has previously admitted in an interview that she never craves cheeseburgers and that she never cooks her own meals. Gwyneth Paltrow is well known for her 'good' diet which sees her largely following a vegan meal plan . Gwyneth Paltrow: Eating good . Gwyneth likes to maintain what she calls a 'good' diet after finding that she was suffering from lethargy and allergies. The 42-year-old is said to generally start her day with a green juice for breakfast. Gwyneth then follows a largely vegan diet which includes snacking on beans and having quinoa or soup for dinner and lunch. The actress is so passionate about her diet that she even launched two cookbooks, one of which is called 'It's All Good'. In the book, she advocates the elimination of: 'dairy, eggs, sugar, corn, wheat, gluten, potatoes, tomatoes, red meat, shell or deep-water fish.' But Gwyneth still allows herself to drink alcohol: 'I really like a martini or a glass of red wine in the evening', she said. 'I think it’s a really nice way to say, “OK, it’s adult time now.” Having lived in England for so long, I have become a real booze hound.' Victoria Beckham follows an alkaline diet which bans acid forming foods such as starchy grains and vegetables . Victoria Beckham: Honestly Healthy . In 2013 Victoria Beckham, 40, who is known for her super-slim figure, tweeted that she was enjoying the alkaline diet book, Honestly Healthy by Natasha Corrett and Vicki Edgson. The ultra-strict regime warns against ‘very acid forming’ foods like starchy grains and vegetables such as pasta, wheat and beans, all dairy products, meat fish and shellfish.' Also banned are tea, coffee, sugar, fizzy drinks including soda and tonic water and, of course, alcohol. While following the plan, at least 70 per cent of your diet should be alkaline, while the other 30 per cent can be acidic, which basically means a lot of fruit and vegetables. Jennifer Aniston follows the Aitkens diet, which is high in protein and low in carbohydrate . Jennifer Aniston: Atkins . Ms Aniston has long been linked to the Atkins diet, which is high protein and low carbohydrate although it is thought that she now does the 'New' Atkins regime. Its plan includes small portions of healthy carbs such as wholegrain bread, brown rice and pasta, while recommending healthy proteins such as grilled chicken, lean red meat and seafood. For 46-year-old Aniston, a typical dinner could include white fish with green vegetables and almonds, whilst breakfast may be 'wholemeal toast with apple butter and a big piece of cheese.' Jennifer is no saint, however, and is a big fan of a Bloody Mary and she's admitted she would eat nachos even if they'd been dropped on the floor. Jennifer Lopez is known for her slim figure and reportedly uses the Freshology delivery service . Jennifer Lopez: Home Delivery . According to reports Jennifer Lopez, 45, who is known for her super-toned abs - is a big fan of Freshology. The meal delivery service brings healthy meals right to your door. Sample menus include a carrot raisin muffin with vanilla ricotta and turkey bacon for breakfast. For lunch, you might enjoy a roast beef wrap with watermelon radish and garlic aioli and then rosemary-infused lamb sirloin with sautéed broccoli and balsamic glaze for dinner.
Kim Kardashian has revealed her daily diet in extract from her new book .
The star changes her meals every ten days with the help of a nutritionist .
Kim typically eats eggs for breakfast and fish with vegetables for lunch .
Other stars to reveal their eating habits include Beyoncé and J-Lo .
Jennifer Aniston is a new Atkins fan while Gwyneth Paltrow eats 'good'