Mariah Carey is an American singer.
Mariah Carey ( born March 27 , 1969 or 1970 ) is an American singer , songwriter , record producer , and actress . Carey and Boyz II Men spent a record sixteen weeks atop the Billboard Hot 100 in 1995 -- 96 with `` One Sweet Day , '' which remains the longest-running number-one song in US chart history . With the release of `` Touch My Body '' ( 2008 ) , Carey gained her 18th number-one single in the United States , more than any other solo artist .