Mariah Carey is incredibly famous for several reasons. She has won five Grammy Awards, which are like the Oscars of the music world. She's also received numerous Billboard Music Awards and World Music Awards, showing just how much her music is loved. What's really impressive is that she has 19 songs that reached number one on the charts in the United States. That's only one less than the Beatles, who are legendary. Mariah Carey isn't just a singer; she's also acted in movies and appeared on TV shows, making her a versatile and well-known entertainer.