Control their diet. They eat regularly, and even don't use staple food at all. It is very important for them to have a perfect figure, because many jobs need a particularly good figure. Whether filming, taking photos or magazines, an actress should have a very good figure.
Insist on exercise, these actresses should keep their bodies in the best condition for a long time, and only in this way can they meet the opportunities that come at any time. Therefore, it is difficult for actresses to lose weight. Many actresses don't eat staple food for a long time, sometimes they only eat an apple or a cucumber a day. In fact, although this can make people lose weight quickly, it is really harmful to the body.
Most female stars will choose to strengthen their exercise while controlling their diet. They will spend a lot of time on fitness or yoga to keep in good shape. Coupled with a reasonable diet, they are so thin, and they are not a day or two, but a long time.