Last year the former actor revealed she ate 'vegan during the week' while being 'more flexible at weekends'. In addition, she reportedly encouraged now-husband Prince Harry to switch meat for green juices in the run-up to their wedding.
But reports now claim she was spotted eating a burger 'on the advice of royal doctors'.
Speaking to Everyday Health, Registered dietitian, Lily Nichols, RDN, CDE, author of Real Food for Pregnancy, said she agrees with what royal doctors reportedly advise, and suggests pregnant women consume an omnivorous diet.
But this advice flies in the face of the American Dietetic Association, which says: "[Vegan] diets are appropriate for all stages of the life cycle, including pregnancy, lactation, infancy, childhood, adolescence, older adulthood, and for athletes."
In addition, The Vegan Society says: "A totally plant-based diet can meet everyone's nutritional needs, including those who are pregnant or breastfeeding."
Plant Based News has released a course about vegan pregnancy. Find out more