My Day on a Plate: Nathalie Harrison, ballerina 1.30pm Mackerel fillets with spinach, beetroot and pomegranate seeds, with crackers. Have a soya yogurt - I'm not dairy-intolerant but don't want to feel bloated. Grab a handful of crisps from the table of goodies in our changing-room. 2.30pm Run through The Nutcracker. Cup of tea in the break. 5.30pm Make a 'hot dog' with a bread roll, banana and peanut butter. I'm the first snowflake on stage and perform in both acts, drinking water backstage whenever I can. 10.30pm Steak and vegetables with red wine after the show. Nathalie is a first artist with the Royal Ballet and is dancing in 'The Nutcracker' until 16 January Nathalie has one of the best diets I have ever seen from a dancer. Instead of focusing on foods to keep her slim, she chooses those that provide the energy she needs. Oats, bananas, peanut butter, fruits, vegetables and oily fish ensure she is fuelled properly and has plenty of nutrients to boost her immunity and protect her joints.