Nikita Kuzmin, a professional dancer on Strictly Come Dancing, has a white patch on the back of his arm which is a flash glucose monitor used to monitor his blood sugar levels. Nikita has Type 1 diabetes, a chronic disease that needs to be monitored every day to ensure he stays healthy. The Libre sensor on his arm is a game-changer for people with Type 1 diabetes, and Nikita has been praised for showing it off on national television, helping to normalize the use of such devices.