A superstar is someone who is usually famous in sports, or films, or popular music, someone like the singer Michael Jackson. In the nineteen eighties, Michael Jackson made a record album called "Thriller". It quickly became the most popular recording in the history of music and it made Michael Jackson a superstar. The word "super" means more than usual or very wonderful. And of course, a star is a person who is very famous. So people who are famous and skilful in sports, films or music are called superstars, such as Li Ning. One of the most famous sports superstars in the United States is the boxer Muhammad Ali. After he won a gold medal in the Olympics and became the heavyweight boxing champion, he was known as one of the greatest and most famous boxers in the sports history. At that time Muhammad Ali was even better known than the president of the United States. He was a true superstar. nearly everyone knew his name. But like the stars in the sky, a superstar may fade away   as the years go by. These days people know little about Muhammad Ali. Superstars, loved by millions of people today, may be forgotten tomorrow. If a person   _  , we call him a superstar.
is a very famous football player is the leader of a country is loved by millions of people fades away as time passes by