Mariah Carey (born March 27, 1970) Is An American R&B Singer, Songwriter, Record Producer, And Actress. She Made Her Recording Debut In 1990 Under The Guidance Of Columbia Records Executive Tommy Mottola, And Became The First Recording Artist To Have Her First Five Singles Top The U.S. Billboard Hot 100 Chart. Following Her Marriage To Mottola In 1993, A Series Of Hit Records Established Her Position As Columbia's Highest-selling Act. According To Billboard Magazine, She Was The Most Successful Artist Of The 1990s In The United States.