Who is the star who has been proved to have faked his own death and lived in seclusion?

No, but there are some rumors that some stars are not dead, such as:

1, the most rumored and influential Ka Kui Wong, is said to have changed her name to Pony and lived incognito in Japan.

2. Leslie Cheung faked his own death in order to live a carefree life with his lover Tang Hede; Someone once saw a man very much like Leslie Cheung in Singapore in 2006. Leslie Cheung died in 2003. There is also a saying that he became a monk in Wutai Mountain and so on.

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My brother Leslie Cheung also has rumors that he has entered a state of suspended animation. On April Fool's Day in 2003, Leslie Cheung committed suicide by jumping from the Mandarin Hotel. One said he was trapped by love, and the other said he was depressed. Some people say that my brother was terminally ill before his death, and some people say that his brother retired from the rivers and lakes under the guise of "suicide."

Besides, all the rumors on the Internet are dead. The current version is from body double, and the most popular version is Louis Koo. It is said that it was actually played by his younger brother Gu. In fact, with the exposure of Gu's photos, I realized that this was purely a rumor fabricated by the Internet.