1. Keep from the sun: Hot weather is often accompanied by strong sunlight and strong ultraviolet rays. If you don't do a good job of sun protection, it may cause harm to your skin. So stars choose to wear coats to protect themselves from the sun and protect their skin.
2. Keep the image: Stars often need to face the media and audience, and they want to keep a good image in front of the public all the time. Wearing a coat can increase their aura and make them look more professional and fashionable.
3. Adapt to different scenes: Stars often need to shoot movies or TV series in different scenes, which may have different temperature and climate conditions. Therefore, they need to prepare different kinds of clothes to adapt to different scenes. Wearing coats can make them better adapt to different environments when shooting.
4. Protect clothes: On some occasions, stars may need to wear expensive clothes, which may need special protection to avoid the influence of sunshine, rain and wear. In this case, the coat can play a protective role and protect these expensive clothes from being damaged.
In short, there may be various reasons for stars to wear coats in hot weather, in order to protect themselves from the sun, to maintain their image, to adapt to different scenes and to protect their clothes.