Controversial Irish singer Sinead O’Connor has died. The cause of the death is not known. Her song Nothing Compares 2 U was named the number 1 world single in 1990 by the Billboard Music Awards. Her 17-year-old son Shane died 18 months ago.

Controversial Irish singer Sinead O’Connor has died. The cause of the death is not known. Her song Nothing Compares 2 U was named the number 1 world single in 1990 by the Billboard Music Awards. Her 17-year-old son Shane died 18 months ago.