Mariah Carey is an American singer, songwriter, actress, and record producer. She is one of the most successful and influential artists of all time, having sold over 200 million records worldwide. Carey is known for her five-octave vocal range, melismatic singing style, and signature use of the whistle register. She is also recognized for her songwriting, producing, and use of multi-genre elements. Carey rose to fame in 1990 with her eponymous debut album, which spawned four number-one singles on the U.S. Billboard Hot 100 chart. She achieved worldwide success with follow-up albums Music Box (1993) and Daydream (1995). Throughout her career, Carey has had a total of 18 number-one singles on the Billboard Hot 100, making her the artist with the most number-one singles in the United States. She has also had a total of 79 Hot 100 entries, making her the artist with the most entries on the chart. Carey has won five Grammy Awards, 19 World Music Awards, 11 American Music Awards, and 31 Billboard Music Awards. She has also been honored with a star on the Hollywood Walk of Fame and is a member of the Songwriters Hall of Fame. Carey has been cited as an influence by numerous artists, including Beyoncé, Rihanna, and Ariana Grande.